单词 | speed | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | speed1 nounspeed2 verb speedspeed1 /spiːd/ ●●● S2 W1 noun ![]() ![]() MENU FOR speedspeed1 of movement2 of action3 fast4 photography5 drug6 five-speed/ten-speed etc7 up to speed Word OriginWORD ORIGINspeed1 ExamplesOrigin: Old English sped ‘success, quickness’EXAMPLES FROM OTHER DICTIONARIES Thesaurus
Longman Language Activatornot able to speak► speed Collocations · The train's designers claim it is capable of attaining speeds in excess of 350 kph.· sensors which monitor speed and body movementspeed of · What was the speed of the car at the time of the accident?· the internal processing speed of a computerat a speed of 50 mph/10 metres per second etc · The Earth moves round the Sun at a speed of 30 km per second.at a constant/steady speed (=keeping the same speed all the time) · Keep driving at a constant speed until I tell you differently.top speed (=the fastest speed that a car, plane etc can reach) · The Ferrari Testarossa has a top speed of 188 mph. ► rate how fast things happen, change, or develop: at a faster/slower/different etc rate: · Individual children develop physically and emotionally at different rates.at an alarming rate (=very fast): · Our money was running out at an alarming rate.rate of: · The amount of light available will determine the plant's rate of growth.· equipment that can load ships at a rate of 5000 tonnes a day ► pace how fast someone walks or runs, or how fast they work or do things: at a brisk/steady/gentle etc pace: · The soldiers were marching at a steady pace.at a leisurely pace (=at a slow comfortable speed): · We climbed at a leisurely pace, stopping occasionally to enjoy the view.pace of: · The pace of political change has been rapid.pace of work/life: · I'm enjoying the relaxed pace of life of Jamaica.at your own pace (=at a speed that is right for you): · The Kumon method involves students learning at their own pace. ► velocity the speed at which something moves in a particular direction - use this especially in technical contexts: · This instrument is used for measuring wind velocity.velocity of: · an experiment to try to predict the velocity of a moving objecthigh velocity: · a beam of high velocity electrons ► momentum the force that makes a moving object keep moving: · We are trying to measure the position and momentum of an electron as accurately as possible.gain/gather momentum (=move faster): · As the slope got steeper, the sled gathered momentum.lose momentum (=move slower): · The ball was moving along, slowly losing momentum on the bumpy ground. ► miles per hour/metres per second etc use these expressions to say how fast something moves: · The maximum speed on British motorways is 70 miles per hour.· Sound travels through the air at about 340 metres per second.· a propeller that revolves at a rate of 150 revolutions per minute moving or travelling fast► fast · Don't drive so fast - there's ice on the road.· The new fighter aircraft flies almost twice as fast as the old one.· She walked faster and faster, then started to run.as fast as you can · He ran home as fast as he could. ► quick spoken use this to tell someone to come or go somewhere quickly: · Come quick, your brother's on TV.· You'll have to walk quicker than that if you want to keep up with me. ► swift written moving fast with a continuous, flowing movement - used especially in literature: · The horses ran along the track at a swift trot.· We had to steer our ship through the swift currents of the Bering Straits. ► at high speed moving or working very fast - use this about cars, trains, machines etc: · Two cars raced past him at high speed.· a metal disk revolving at high speed ► at top speed if a vehicle moves at top speed , it moves as fast as it can go - use this especially when a situation is urgent and someone has to get somewhere very fast: · They headed east at top speed in pursuit of the enemy ship.· At top speed, the Pave Hawk helicopter can travel 221 miles per hour. ► at breakneck speed travelling dangerously fast: · It took us an hour to get there, driving at breakneck speed.· Jenny stepped onto her skis and sped off at breakneck speed down the glistening, white mountain. ► flat out at the fastest speed possible when using all the strength or power there is: · Going flat out, the BMW 325 will reach a speed of 140 miles per hour.· The exercise involved running flat out for two minutes and then resting for one minute. ► like lightning moving extremely fast, often with a single sudden movement: · Somewhere a dog barked and, like lightning, the cat darted into some bushes.· Her foot slipped on the smooth tiles but Mitch moved like lightning and caught her before she fell. ► at speed formal if a car or train is travelling at speed , it is travelling fast: · The train was already travelling at speed when she tried to open the carriage door. to move or work faster► go faster · Could you go a little faster? We don't want to miss our plane.move/work etc faster · You'll have to work a lot faster than this.faster and faster (=more and more quickly) · I could feel my heart beating faster and faster. ► speed up to make something happen more quickly: · Nancy, if you don't speed up we'll be here until midnight.speed something up: · I'll phone the manager and get them to speed things up.speed up something: · The company announced they're speeding up plans to expand the site. ► pick up/gather speed if a vehicle, especially a large vehicle picks up speed or gathers speed , it starts to gradually move faster: · Francis leaned back in his seat as the plane picked up speed.· The truck was already moving, gathering speed with a deep-throated roar. ► accelerate if a vehicle or driver accelerates , they go faster, especially suddenly: · The Ferrari Mondial can accelerate from zero to 60 mph in 6.3 seconds.· The truck's wheels skidded on the snow as the driver accelerated forward. ► quicken your pace written to begin to walk faster - use this especially in stories or descriptions of events: · Suddenly realizing he was late, he quickened his pace towards the hotel.· "I have some questions to ask you, Mr Murray,'' said the reporter, quickening his pace to keep up with me. ► gain/gather momentum if something gains or gathers momentum , it travels faster and faster, especially going down a hill, because it is pushed forward by the force of its own weight: · Gradually the train gathered momentum, and within seconds it was moving at top speed.· The slope was getting steeper and their sledge was gaining momentum all the time. moving slowly or doing something slowly► slow not moving quickly or not doing something quickly: · The train was slow, noisy, and uncomfortable.· I was always one of the slowest runners in my class.· My computer's really slow compared to the ones at school.slow to do something: · Farmers in the region have been slow to adopt modern agricultural methods.slow in doing something: · The CIA has been slow in turning over the documents that Congress requested. ► slowly · He got up slowly out of his chair and came towards me.· Can you speak more slowly? I can't understand what you're saying.· Large white clouds drifted slowly across the deep blue sky.· Lynne slowly began to realize the job wasn't as easy as it seemed. ► slow-moving moving slowly, especially because of being prevented from moving faster: · In the evenings the roads out of town are clogged with slow-moving traffic.· Lubbers are slow-moving flightless insects native to the southeastern U.S.· The canal's water was muddy and slow-moving. ► leisurely moving or doing something slowly, especially because you are enjoying what you are doing and do not have to hurry: · Sunday mornings she gets up late and then has a leisurely breakfast with her family.· We spent a leisurely afternoon talking about old times.at a leisurely pace: · The two set off walking down the beach at a leisurely pace. ► in slow-motion showing images or movement at a slower speed than is normal - use this especially about pictures in a film: · The car crash seemed to take place in slow-motion.· The documentary showed the hawk's dive in slow-motion.· Fans who taped the show can replay it in slow-motion to read the messages that whizzed by on screen. ► at low speed if a vehicle travels at low speed , it moves more slowly than it usually does: · You'll save money on petrol if you drive your car at low speed.· The car came towards them at low speed, and then someone leaned out the back window and started shooting. ► at a snail's pace moving or doing something extremely slowly, especially when this is annoying: · Traffic was moving at a snail's pace.· The development project seems to be moving at a snail's pace. ► sluggish moving more slowly than usual, especially because of a loss of power or energy: · The car felt sluggish as we drove up the hill.· The children were tired and sluggish and didn't seem interested in any of the games. ► slowcoach British /slowpoke American spoken someone who does something too slowly, works too slowly, walks too slowly, etc: · Come on, slowcoach! If you don't hurry up, we'll be late.· I hate getting stuck behind these slowpokes on the highway. to move more slowly or do something more slowly► slow down to move or do something more slowly, or make someone do this: · Slow down! You're driving too fast!· Everyone's always rushing around trying to get things done - we all need to slow down and take it easy.slow somebody down: · We could have been here hours ago, but the rain slowed us down. ► reduce speed to drive more slowly than before - used especially on road signs or in official instructions: · Reduce speed now - roadworks ahead.· There is heavy fog on all roads tonight so drivers are advised to reduce speed and drive with extra care. WORD SETS► Drug Cultureacid, nounaddict, nounaddicted, adjectiveaddiction, nounaddictive, adjectiveamphetamine, nounbong, nouncannabis, nounclean, adjectivecocaine, nouncoke, nouncold turkey, nouncontrolled substance, nouncrack, nouncut, verbdeal, verbdealer, noundesigner drug, noundetox, noundetoxification, noundope, noundope, verbdopehead, noundowner, noundrug, noundrug addict, noundrug baron, noundrug czar, noundrug dealer, noundruggie, noundrug rehabilitation, noundrug runner, nounecstasy, nounfix, nounganja, noungear, nounglue-sniffing, noungrass, nounhallucinogen, nounhallucinogenic, adjectivehard, adjectivehard drugs, nounhash, nounhashish, nounhemp, nounheroin, nounhigh, adjectivehigh, nounhippie, nounhit, nounjoint, nounjunkie, nounline, nounLSD, nounmagic mushroom, nounmainline, verbmarijuana, nounmescaline, nounmethadone, nounmule, nounnarc, nounnarcotic, adjectiveneedle, nounOD, verbopiate, nounopium, nounoverdose, nounpeddler, nounpep pill, nounpot, nounpsychedelic, adjectivepush, verbpusher, nounrecovery program, nounreefer, nounrehab, nounroach, nounscore, verbshooting gallery, nounsmack, nounsmoke, nounsniff, verbsnort, verbsnort, nounsnow, nounsoft drug, nounsolvent abuse, nounspeed, nounstash, nounsteroid, nounstoned, adjectivestrung-out, adjectivesubstance abuse, nountab, nountake, verbtrafficking, nountrip, nountrip, verbuse, verbwasted, adjectiveweed, nounwithdrawal, nounwithdrawal symptoms, noun COLLOCATIONS FROM THE ENTRY Meanings 1 & 2verbs► increase your speed Phrases· He increased his speed until he was running flat out. ► gain/gather/pick up speed (=go faster)· The Mercedes was gradually picking up speed. ► reach a speed· The trains will reach speeds of 140 mph. ► maintain a speed (=keep the same speed)· The aircraft is designed to maintain a steady speed. ► reduce speed (=slow down deliberately)· She reduced speed as she approached the village. ► lose speed (=slow down without wanting to)· The engine made a strange sound and we lost speed. ADJECTIVES/NOUN + speed► an average speed· Our average speed was 88 mph. ► a constant/steady speed· The disc revolves at a constant speed. ► a top/maximum speed (=the highest possible)· The car has a top speed of 132 mph. ► wind speed (=the speed of the wind)· The average wind speed will be about 14 knots. ► air speed (=the speed of a plane in relation to the air around it) phrases► at high/great speed· The train was travelling at high speed. ► at low/slow speed· Even at low speed, an accident could mean serious injury for a child. ► at full speed (=running, driving etc as fast as possible)· He ran past us at full speed. ► at/with lightning speed (=very quickly)· He moved with his usual lightning speed. ► at breakneck speed (=very quickly)· He drove away at breakneck speed. speed + NOUN► a speed limit· The speed limit is 40 mph here. ► a speed restriction· New speed restrictions have been introduced. ► a speed camera (=designed to photograph vehicles going too fast)· Most GPS systems will warn you when there are speed cameras. COLLOCATIONS FROM OTHER ENTRIES► come running/flying/speeding etc![]() · the risk of injury from a high-speed crash ► cruising speed![]() (=it is very important to do something quickly) ► excessive speed· Excessive speed is a major cause of road accidents. ► at full speed![]() ![]() ![]() (=drive slowly) ► at/with lightning speed (=extremely quickly) ► the speed limit· Too many people go over the speed limit in residential areas. ► lose weight/height/speed etc![]() ![]() (=make them recover more quickly)· She believes that a holiday would speed my recovery. ► speed restrictions· Drivers are ignoring speed restrictions. ► slacken your pace/speed (=go or walk more slowly) ► exceed/break the speed limit► wind speed![]() · Wind speeds of up to 80 miles an hour were recorded. COLLOCATIONS FROM THE CORPUSADJECTIVE► average· What is the average speed for the entire journey?· As in many western states, drivers in Nevada have increased their average speeds modestly since the limits were raised.· The files are encoded at a fixed rate low enough for the average connection speed.· From this they could determine the average speeds the waves traveled at different depths.· Driving standards on the whole improved during the eighties and certainly average speeds increased, in some cases dramatically.· So the average speed is five meters per second, and it will have fallen five meters.· London traffic now moves at an average speed of eleven miles per hour.· Lillywhite won in a record average speed. ► breakneck· As most travelers know, you can only travel at breakneck speed for so long. ► different· How can observers moving at different speeds all measure light at the same speed?· Even 50 different speed limits, bank holidays, fireworks laws are defensible.· Pupils will also move at different speeds for different activities.· Strainers also cause currents of different speeds and directions.· He argued that two bodies of the same material but different weights would fall at different speeds.· Different weapons, with different muzzle speeds, must somehow have been involved.· Even worse, it seems to move at different speeds in different subtypes.· The table could be turned at any of ten different speeds. ► full· Now, the economy is running at full speed.· We thought all was well until the Battlebus passed us at full speed in the opposite direction.· Raymond is traveling full speed downhill on his own momentum.· Somehow she had hit him when he was running at full speed and almost out of range.· She barreled down the runway, sprinting full speed.· It headed directly towards us at full speed behind a great white foaming bow-wave. ► great· The great speed with which the computer carries out calculations means that experiments can be carried out quickly and cheaply.· He has tremendous boxing skills, a big punch, great hand speed and quick feet.· The speech, an undeniable disappointment, had indeed been given in an unusually dull monotone and at great speed.· Luckily my companion reacted with great speed, grabbing a piece of sacking and laying it over the top of the tank.· They would go on and on at great speed.· Similarly, the momentum becomes ever greater as the speed of light is approached.· So, on the whole I am cautiously in favour of machines inspecting passports at great speed, a scheme experimentally working at Heathrow.· If he balances correctly, he is swept forward upon the leading edge of the wave at great speed. ► high· At present, they can only develop profitably in locations with high wind speed.· Out to a distance of seventy-five kilometers, windows are blown in and shards of glass are accelerated to high speeds.· Further facilities should be provided to enable ultra high speed updating to be performed in special cases.· Several officials noted that a higher-speed network could be offered by the mid-1990s.· The core of this international network consists of computers permanently joined through high speed connections.· But many across the nation expressed fears that higher speeds will lead to more deaths.· Guided buses, attached to rails at their sides, can travel at high speeds without needing drivers to steer them.· One sector of society expressing a need for the higher-speed networks is the research and education community. ► low· This is illegal as they have a lower speed rating than the vehicle requires.· Beat 2 minutes on low speed.· But of course the foam system had better switch itself off automatically at low speeds.· Beat 1 minute on low speed.· Use a hand drill or an electric drill on very low speed.· Blend at lowest speed 30 seconds and then beat at medium speed 3 minutes.· Every landing should be made fully held off to ensure a low touch down speed.· From 1970 to 1975, traffic deaths fell because of lower speed limits and curtailed travel after 1973. ► maximum· During this time affected characters run at maximum speed away from it.· They climbed into the car and she took off at maximum golf cart speed.· Yes. but you will probably only notice at past the legal maximum speed limit.· The error was caused by a bug in software written by Intel to achieve maximum chip speeds in a test called SPECint92.· Has a maximum speed of two hundred and thirty at ten thousand feet.· It had a cruising speed of 106 and a maximum speed of 129 miles per hour.· Fortunately, Evan-Thomas in Barham, steaming at maximum speed with his four battleships, had come within firing range.· Current tests show a maximum speed of about 6 megabits per second for downloads and about 640 kilobits per second upstream. ► normal· Remember that the language is spoken at normal speed for an audience of native speakers.· The result was lines that moved at a third of their normal speeds.· However, for normal speeds of travel, the differences between the rates of clocks are very small.· It lets you play human speech at normal speed with pretty good sound quality.· Corporate Relations bore speaking at normal speed.· Having discovered which it is, say it up-to-time at normal speed.· Often you will need to slow down to almost normal speed and sample sections.· Running is only possible at half normal running speed. ► slow· The slower the speed, the finer the grain and the greater the resolving power of these films.· People have become frustrated with the inability to get online and the slow speeds of the Internet.· With the slower speeds the qualifying heats as well as the race itself were almost injury-free this year.· Speedsensitive steering too sensitive at slow speeds.· The slowest speeds, however, are already quite fast and there is little practical room for manipulation beyond them.· That may be a rather slow speed compared with that of light.· Earlier types have run at high power, even when manoeuvring at slow speed, to keep the skirt inflated.· On slowest speed, mix in the flour and baking soda. ► top· The cutters were then ordered by a signal flashed from the clifftops to close in at top speed.· Then, he put the problems down to a lack of top speed compared to other machines in the series.· Voice over Sarajevo Airport; and the Hercules is unloaded at top speed.· They are caught very well since they are travelling at top speed.· Voice over It's six cylinder engine has a top speed of seventy five miles an hour in forward and reverse.· No time wasted, away within seconds at top speed.· Its top speed was lower, and at anything near that speed, its range was laughable. NOUN► clock· The new iterations will feature a higher clock speed processor and two chips per board.· For example, the 6x686-P200 system I tested uses a Cyrix chip with a clock speed of 166 megahertz.· This is used to indicate the clock speed of computers.· Despite the different clock speeds, all three offer roughly comparable performance when used to upgrade a 486 system.· As of last week, Sun was still tinkering with the Viking's clock speeds.· Faster clock speeds are expected later this year. ► lightning· Having fallen in love with each other, the couple are now setting up home together at lightning speed.· They darted with lightning speed after one another.· Some of these fellas are several screens high, yet they zip around at lightning speed!· Time was, not everyone had access to moving things at lightning speed, with neither brakes nor checks.· The application was, of course, dismissed with lightning speed.· They were looking for food, of course, and would suddenly plunge downwards at lightning speed when they spotted something.· We have acquired a reputation as the dumping ground with lightning speed.· He moved with his usual lightning speed, slapping her brutally across the face. ► limit· There was no speed limit on the autobahn and even at 135 m.p.h. the Jaguar seemed to be only cruising.· They go 10 miles or more below the speed limit on the highway!!· Flat out at 8 knots, he almost breaks the Thames speed limit.· Theoretical speed limits for a single processor are being approached.· The speed limit is fifty miles an hour, but some drivers have been caught doing more than eighty.· Other approaches include limiting vehicle horsepower, placing warning signs to mark hazards and enforcing speed limits.· I may be guilty of exceeding the speed limit.· New figures show that 3 in 5 motorists break the speed limit on motorways. ► record· As it was certain that the aircraft could go faster an attempt was made on the world speed record.· Did Pauline break a speed record for getting a pattern off the page and on to the ski slope?· Both had been flown from Tangmere while undertaking their world air speed record runs in 1946 and 1953 respectively.· Spent day boating on lake in Champex annoying local fishermen with our attempts at the world speed record for pedal boats.· Although the engine holds a world speed record, its arrival in the Cotswolds was a little more sedate. ► restriction· Track renewals are also becoming overdue, with a succession of speed restrictions because of the condition of parts of the line.· At the end of April there will still be 61 speed restrictions across the network.· Previous requests have been turned down as the Transport Department felt the road did not meet criteria for imposing speed restrictions. ► wind· All of these generalisations depend of course on a constant wind speed sufficient to fly the kite within its designed wind window.· As the wind speed varied, so did the strength of the rain.· Another interesting option is the use of wind turbines as windbreaks to reduce wind speed and erosion.· Wind drift indicators were used to figure out wind speed and direction, but they worked only if they could be seen.· The reported wind speeds gave everyone a false sense of security.· At what wind speed does it become unsafe for novice paraglider pilots to fly? 3.· This is important because the balloon and payload could be damaged if the wind speed is above 10 knots.· The wind speed and direction, and the cloud height and type were major hurdles to be overcome each hour. VERB► break· Did Pauline break a speed record for getting a pattern off the page and on to the ski slope?· He rolled the pod around its gyros, and used full thrust to break his orbital speed.· Flat out at 8 knots, he almost breaks the Thames speed limit.· New figures show that 3 in 5 motorists break the speed limit on motorways.· We need to leave Kings Heath at 6.15 to get there in time without breaking too many speed limits.· This time Myeloski broke the speed limit without hesitation. ► cruise· Fogarty cruised at equal speed with the truck until Streeter pulled to the side of the road across from a cemetery.· It had a cruising speed of 106 and a maximum speed of 129 miles per hour.· The train had just pulled out of the Twenty-third Street station and was accelerating to its cruising speed.· And the noise settles to an unobtrusive drone at highway cruising speeds.· The machinery sounds about you reach a steady cruising speed. ► drive· Diplomatic sources who witnessed the incident said he was driven off at speed in a police convoy and his whereabouts are unknown.· Alarmed, and thinking that my President needed me, I dashed to get there, driving at foolhardy speed.· They watched silently as the car was driven at speed off the road to brake violently on the turf of the headland.· Mix drove it at maniacal speeds, sober or not.· When Carver alighted outside the Hilton in Park Lane the limo drove past at speed.· I always buckled my safety belt and drove below the speed limit, stopping for school buses, pulling over for sirens.· The driver banged on his horn but Gregson drove on at speed, unconcerned by the accident he'd almost caused.· A., Benjamin is driving twice the speed limit when he runs a stop sign. ► exceed· I may be guilty of exceeding the speed limit.· The local police frequently arrested students for exceeding the speed limit or other minor infractions of the law.· He says he's arresting the driver for exceeding the speed limit.· Nine of the 28 subjects were found to have been exceeding the speed limit on at least one of the four occasions.· Speed camera records showed about 11% of drivers exceeding the speed limit in July 1990 compared with over 20% before the campaign. ► gather· She lifted it over the fence and set off across the little meadow, gathering speed and thoroughly enjoying it.· I said as the train gathered speed.· It gathered speed and raced towards the built-up complexes.· The big trimotor gathered speed and roared off down the harbor for more than a mile but never got close to liftoff.· Then the van rolls forward, gathers speed, and drifts on by.· It gathers speed, and suddenly hits the wall by the foot of the bed.· The blue train is pulling away from me in the drizzle, gathering speed, effortlessly accelerating along its elevated track.· In Baldersdale that process gathered no speed at all and indeed, never even crossed the finishing line. ► improve· Thus it is clear that you need to work on the fast twitch muscles if you want to improve your speed.· They improved walking speed, stair climbing, balance and spontaneous daily activity.· For instance a gene may be successful through improving the running speed of a predator.· Training was geared more to general fitness than particular skills, and centred on running and skipping to improve speed and stamina.· Safety levels have improved and with lower speeds have come reductions in noise and anxiety for residents.· A second technique that greatly improves the speed of searching a sequential file is to use a logarithmic search.· The study discards current Window 3.1 users in the intermediate term because it neither improves their speed nor enriches their functionality. ► increase· As they approached the castle they realized that the advance of the red weed was increasing in speed.· Chang increased his speed to try to avoid an oncoming Toyota.· The system will use intelligent retrieval technologies to increase the speed, ease and accuracy of answering customer support calls.· Data compression can increase the effective speed at which a connection operates by getting rid of redundant information.· He increased speed, impatient to reach his destination.· In network economics the customer can expect increased speed and choice, and more responsibility as a customer.· Rapid descent With increasing speed, the difficulties associated with descent and translation back to hovering flight become more acute.· As in many western states, drivers in Nevada have increased their average speeds modestly since the limits were raised. ► measure· How does having their own individual time cause people traveling at different speeds to measure the same speed of light?· Are we measuring time and speed or are we measuring something we think is time and speed?· This is important because many devices for measuring low flow speeds in turn require calibration.· Other features of the disc include a built-in metronome that permits players to measure and pace the speed of their playing.· Then I could measure the speed of the wind inside me and know where on the scale I was in general located.· It measures the speed at which you can download material from the Net.· For the more advanced user the speed mode allows typists and companies to measure typing speeds.· Efficiency could be measured in terms of speed of performance, the least amount of storage required or the least number of program lines. ► move· How can observers moving at different speeds all measure light at the same speed?· Time was, not everyone had access to moving things at lightning speed, with neither brakes nor checks.· With sixty million air travellers a year, such elements can move at some speed.· He was the only one to keep moving at the same speed.· Pupils will also move at different speeds for different activities.· The anti-gay marriage bill is moving with unusual speed through Congress.· It was moving at an incredible speed through the green desert.· He was climbing like a goat, moving with extraordinary speed. ► operate· A large supply voltage and phase resistance are only required when the motor is operating at high speeds.· Private local-area networks on the Internet operate at data transmission speeds of 10 to 100 megabits per second.· By contrast, lasers and l.e.d.'s can operate at great speed.· At operating speed there was no roaring, vibrating, or shaking, just a smooth whine from the turbine.· Optical approaches also generate less heat and may eventually operate at speeds up to 1, 000 times faster than electronic approaches. ► pick· As the campaign picks up speed, the issue of character is likely to become more prominent.· As they picked up speed along the main tarmac road it was already 3 a.m.· The coach picked up speed as it rattled and jolted down to Forty-second Street.· The yacht started to pick up speed.· He picked up speed fast, and when we got to the clearing again, he banked very hard to the left.· Brian Reade is back tomorrow Over the hill and picking up speed!· A slowing economy lessens the threat that inflation will pick up speed. ► reach· These solar sails would be slow to accelerate, but could eventually reach high speeds - at zero fuel cost.· The machinery sounds about you reach a steady cruising speed.· After reaching speeds of 200 miles per hour enroute, you arrive at the barber shop.· They gave chase along Drayton Road where they reached speeds of up to seventy miles an hour.· The bicycle's special design means it can reach speeds of up to sixty miles an hour.· Contemporary accounts say that it could reach quite high speeds on the rails and that it saved fuel.· The swordfish is also known to reach high speeds.· The vessels were remarkably fast, and on sea trials had reached a speed of over 34 knots. ► reduce· In an effort to cut costs, Nissan will reduce the breathtaking speed at which new models are rushed on to the market.· Cycling officers were asked what measures they used to reduce traffic speed and if they had a cycling programme.· Morgan reduced speed and checked his appearance in the rear-view mirror, driving with one hand.· He reduced speed and carefully wiped each of his own damp hands on his coat.· Plundering enroute was forbidden, probably because it reduced the speed of the army rather than for any ethical reasons.· He would have liked to reduce speed but he was worried about what might be coming up behind him.· Another interesting option is the use of wind turbines as windbreaks to reduce wind speed and erosion.· The individual becomes apathetic and disinterested, reduces the speed of work and the care taken over work. ► run· During this time affected characters run at maximum speed away from it.· Now, the economy is running at full speed.· Thus P Q does not imply that P and q run at the same speed.· Without looking back she fled away from the stream to the woods and ran with all the speed her fear gave her.· I can run full speed, straight ahead, without a problem and I can cut to my right.· The dowel is gripped in a drill, and run at low speed, with a little pressure.· The man she suspected of stealing her purse was running at top speed along the subway platform and up the stairs. ► travel· Witnesses say the rover seemed to be travelling at high speed.· As most travelers know, you can only travel at breakneck speed for so long.· Guided buses, attached to rails at their sides, can travel at high speeds without needing drivers to steer them.· For one thing, you are forgetting the basic fact that light travels at finite speed.· High, high it went, travelling at speed.· You see, Watson, if light is a particle, then it will travel at a speed determined by the emitter.· They are caught very well since they are travelling at top speed.· It is inevitable that tyres like that will blow out when travelling at a high speed. PHRASES FROM THE ENTRY► five-speed/ten-speed etc Word family
WORD FAMILYnounspeedspeedingadjectivespeedyverbspeedadverbspeedily 1of movement [countable, uncountable] the rate at which something moves or travels: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() speed1 nounspeed2 verb speedspeed2 ●○○ verb (past tense and past participle sped /sped/ or speeded) ![]() ![]() VERB TABLE speed
EXAMPLES FROM THE CORPUS Thesaurus
Longman Language Activatornot able to speak► speed Collocations · The train's designers claim it is capable of attaining speeds in excess of 350 kph.· sensors which monitor speed and body movementspeed of · What was the speed of the car at the time of the accident?· the internal processing speed of a computerat a speed of 50 mph/10 metres per second etc · The Earth moves round the Sun at a speed of 30 km per second.at a constant/steady speed (=keeping the same speed all the time) · Keep driving at a constant speed until I tell you differently.top speed (=the fastest speed that a car, plane etc can reach) · The Ferrari Testarossa has a top speed of 188 mph. ► rate how fast things happen, change, or develop: at a faster/slower/different etc rate: · Individual children develop physically and emotionally at different rates.at an alarming rate (=very fast): · Our money was running out at an alarming rate.rate of: · The amount of light available will determine the plant's rate of growth.· equipment that can load ships at a rate of 5000 tonnes a day ► pace how fast someone walks or runs, or how fast they work or do things: at a brisk/steady/gentle etc pace: · The soldiers were marching at a steady pace.at a leisurely pace (=at a slow comfortable speed): · We climbed at a leisurely pace, stopping occasionally to enjoy the view.pace of: · The pace of political change has been rapid.pace of work/life: · I'm enjoying the relaxed pace of life of Jamaica.at your own pace (=at a speed that is right for you): · The Kumon method involves students learning at their own pace. ► velocity the speed at which something moves in a particular direction - use this especially in technical contexts: · This instrument is used for measuring wind velocity.velocity of: · an experiment to try to predict the velocity of a moving objecthigh velocity: · a beam of high velocity electrons ► momentum the force that makes a moving object keep moving: · We are trying to measure the position and momentum of an electron as accurately as possible.gain/gather momentum (=move faster): · As the slope got steeper, the sled gathered momentum.lose momentum (=move slower): · The ball was moving along, slowly losing momentum on the bumpy ground. ► miles per hour/metres per second etc use these expressions to say how fast something moves: · The maximum speed on British motorways is 70 miles per hour.· Sound travels through the air at about 340 metres per second.· a propeller that revolves at a rate of 150 revolutions per minute to move very fast in a particular direction► race/tear to go somewhere as fast as you can: race back/up/into etc: · Hearing the children's screams, she raced back to the house.· A police car came racing down the road.tear away/up/across etc: · She tore across the lobby, then up three flights of stairs.· Just before the explosion, a man came tearing across the street. ► rush/dash to go somewhere very quickly because you are in a hurry: rush out/around/into etc: · Everyone rushed out into the street to see what was happening.· People were rushing past me on their way to work.dash into/around/to etc: · Pam dashed into the store just as it was closing.· The boys dashed across the road and disappeared into the woods. ► fly to travel or go somewhere extremely quickly: fly past/up/along etc: · As I slowed down another car flew past me and turned to the left.· The bus was flying along when suddenly the driver slammed on the brakes. ► dart to run, fly, or swim with a sudden quick movement: dart through/back/across etc: · I could see small silvery fish darting through the water.· As the rain began to fall harder, I darted into the first shop I could find. ► streak written if someone or something streaks somewhere, they run or fly there so fast that you can hardly see them: streak across/past/away etc: · Two aircraft streaked across the sky.· I caught a glimpse of a man streaking away into the shadows. ► whizz to move extremely quickly through the air or along a road, making a loud high noise: whizz past/by/through etc: · A bullet whizzed past my ear.· I stared out the window, watching as kids on bicycles and skateboards whizzed by. ► zoom if a car, bus, plane etc zooms somewhere, it moves there extremely fast, making a loud noise with its engine: zoom past/through/over etc: · The plane zoomed low over the airfield.· A fire engine zoomed past us. ► speed to move somewhere very quickly, especially in a vehicle: speed along/by/towards etc: · An ambulance sped by on its way to an accident.· Small patrol boats sped along the shore. ► be really moving use this to say that someone or something is going extremely fast: · That car must have been really moving when it hit the van. to move or work faster► go faster · Could you go a little faster? We don't want to miss our plane.move/work etc faster · You'll have to work a lot faster than this.faster and faster (=more and more quickly) · I could feel my heart beating faster and faster. ► speed up to make something happen more quickly: · Nancy, if you don't speed up we'll be here until midnight.speed something up: · I'll phone the manager and get them to speed things up.speed up something: · The company announced they're speeding up plans to expand the site. ► pick up/gather speed if a vehicle, especially a large vehicle picks up speed or gathers speed , it starts to gradually move faster: · Francis leaned back in his seat as the plane picked up speed.· The truck was already moving, gathering speed with a deep-throated roar. ► accelerate if a vehicle or driver accelerates , they go faster, especially suddenly: · The Ferrari Mondial can accelerate from zero to 60 mph in 6.3 seconds.· The truck's wheels skidded on the snow as the driver accelerated forward. ► quicken your pace written to begin to walk faster - use this especially in stories or descriptions of events: · Suddenly realizing he was late, he quickened his pace towards the hotel.· "I have some questions to ask you, Mr Murray,'' said the reporter, quickening his pace to keep up with me. ► gain/gather momentum if something gains or gathers momentum , it travels faster and faster, especially going down a hill, because it is pushed forward by the force of its own weight: · Gradually the train gathered momentum, and within seconds it was moving at top speed.· The slope was getting steeper and their sledge was gaining momentum all the time. COLLOCATIONS FROM THE ENTRY► caught speeding Phrases![]() ![]() · the risk of injury from a high-speed crash ► cruising speed![]() (=it is very important to do something quickly) ► excessive speed· Excessive speed is a major cause of road accidents. ► at full speed![]() ![]() ![]() (=drive slowly) ► at/with lightning speed (=extremely quickly) ► the speed limit· Too many people go over the speed limit in residential areas. ► lose weight/height/speed etc![]() ![]() (=make them recover more quickly)· She believes that a holiday would speed my recovery. ► speed restrictions· Drivers are ignoring speed restrictions. ► slacken your pace/speed (=go or walk more slowly) ► exceed/break the speed limit► wind speed![]() · Wind speeds of up to 80 miles an hour were recorded. COLLOCATIONS FROM THE CORPUSADVERB► away· Around the corner of the building he saw a figure on a bike speeding away.· He turned on to the highway, speeding away from the city.· The man on the moped was already speeding away in the opposite direction. ► by· He has a rival in every direction, each vigilantly vying for the business that speeds by on six lanes of asphalt.· Visitors have to take a local train to visit Delft; the express trains speed by.· The rusty, cast-iron signs hardly register as motorists speed by.· Now and then, a car speeds by from the other direction.· He spotted a loaded-down Falcon speeding by on the boulevard, windows full of young laughing faces. ► up· Enzymes are protein molecules whose function is to speed up chemical reactions: that is, they are catalysts.· Sometimes he or she is put on an exercise regimen that also speeds up the recovery.· Auctions certainly speed up the house-buying process.· Airlines there hire extra employees to ask those security questions, speeding up the process.· Locally, the telephone was also speeding up business.· The objectives of the program were to speed up renewal activities and to give communities more flexibility in renewal planning and implementation.· Every reaction on a metabolic chart is speeded up by an enzyme.· Perhaps life was flashing by like a tape player speeded up. NOUN► car· Eyewitnesses said the crashed car was speeding.· In 1994, a Maryland State trooper saw a car speeding down Interstate 95.· The perfect hidden racetrack, it seems, for car thieves to speed rally style, along miles of dirt tracks.· Now and then, a car speeds by from the other direction. ► development· The all-embracing AD/Cycle combines a set of standards and interfaces to speed up application development.· The use of modern contraceptives, they argued, would reduce fertility and speed economic and political development.· The obvious dawned when a method of speeding the development time was spotted.· It speeds development, he says.· It includes the new Epick on-line documentation to speed application development.· If they have not yet reached the clicking stage, the sound stimulates them to speed up their development.· Beneficial development will be speeded up, damaging development checked and the green belt safeguarded. ► pace· Nevertheless, Muoi was widely regarded as a cautious leader who would be unlikely to speed up the pace of reform.· Leaders and managers who are trying to speed up the pace of change in their organizations will find themselves pitted against job-mindedness. ► process· Auctions certainly speed up the house-buying process.· It is not enough merely to speed up the process, however.· Price began to speed the process.· Airlines there hire extra employees to ask those security questions, speeding up the process.· Will my right hon. Friend try to speed up that process in every possible way?· How could we speed up the process of research and development?· Potassium permanganate and sodium hypochlorite being added to anaerobic waste to speed the digestion process.· According to Rothschilds the introduction of non-certification has speeded up the redemption process by eliminating the need to return share certificates. ► recovery· She believes that the respite of a holiday in Cambridge would speed my recovery.· Sometimes he or she is put on an exercise regimen that also speeds up the recovery.· It might speed up the eventual recovery in prices we all require to keep farming profitably in the future.· They think it might speed his recovery.· It is good to know that the doctors and the hospital team are working so hard to speed your recovery from cancer. VERB► catch· What is your best excuse for a motorway policeman who has just caught you speeding?· Those visitors paid $ 769, 000 last year after they were caught speeding.· If the Duke had been caught speeding today ... his fine would probably have been something like seven hundred pounds. ► help· It can help to speed up the work where an investigation involves the results from several different cases.· A victory for the pragmatists may help them to speed up the reforms.· The orbital movement of the blade, which helps to speed cutting by aiding the removal of sawdust, has three settings.· Chamberlain was appalled by the barbarity of Kristallnacht, which undoubtedly helped to speed up immigration procedures. ► try· Leaders and managers who are trying to speed up the pace of change in their organizations will find themselves pitted against job-mindedness.· Premiums are beginning to be waived, and three month rent holidays are being offered to try and speed up movement.· Our government, perversely, even tried to speed it up.· Will my right hon. Friend try to speed up that process in every possible way?· Some of them try to speed it up: they work there, and smoke three packs of cigarettes a day.· If he wishes me to try to speed up replies, I shall certainly do so.· Do not try to speed up progress by doing more goals in any one week than you should. PHRASES FROM THE ENTRY► be speeding Word family
WORD FAMILYnounspeedspeedingadjectivespeedyverbspeedadverbspeedily 1[intransitive always + adverb/preposition] to go quickly: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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