请输入您要查询的英文单词：

　

单词 speed
释义
noun | verb
speedspeed1 /spid/ ●●● S2 W2 noun Etymology
ETYMOLOGYspeed1
Origin: Old English sped success, quickness
Collocations
COLLOCATIONS
 The train can travel at a speed of 110 mph.
 The ferry has a top speed of (=the fastest it can possibly go is) 25 mph.
 He came running toward me at full speed.
 The car drove off at high speed.
 We raced down the mountain at breakneck speed (=dangerously fast).
 The rocks began to gather speed (=gradually start to travel faster) as they tumbled down the hillside.
 They’re putting up new houses at lightning speed.
 They acted with speed and efficiency.
 We need to bring everyone up to speed on the project.
1HOW FAST something MOVES [countable, uncountable] how fast something moves or travels:  average wind speedspeed of the speed of light The train can travel at a speed of 110 mph. The ferry has a top speed of (=the fastest it can possibly go is) 25 mph.at full/top speed He came running toward me at full speed.at high/low speed The car drove off at high speed. We raced down the mountain at breakneck speed (=dangerously fast). The rocks began to gather speed (=gradually start to travel faster) as they tumbled down the hillside.2HOW FAST something HAPPENS [uncountable] how fast something happens or is done:  the computer’s data transmission speedspeed of the speed of change in the region They’re putting up new houses at lightning speed.3FAST [uncountable] the quality of moving or doing something fast:  A good player needs strength and speed. They acted with speed and efficiency.4DRUG [uncountable] slang an illegal drug that makes you very active SYN amphetamine5PHOTOGRAPHY [countable] a)the degree to which photographic film is sensitive to light b)the time it takes for a camera shutter to open and close:  a shutter speed of 1/250 second6up to speed (on/with something) having the information you need to understand what has been happening in a particular situation:  We need to bring everyone up to speed on the project.[Origin: Old English sped success, quickness] → see also -speed
noun | verb
speedspeed2 ●○○ verb (past tense and past participle sped /spɛd/ or speeded) Verb Table
VERB TABLE
speed
Simple Form
PresentI, you, we, theyspeed
he, she, itspeeds
PastI, you, he, she, it, we, theyspeeded, sped
Present perfectI, you, we, theyhave speeded, sped
he, she, ithas speeded, sped
Past perfectI, you, he, she, it, we, theyhad speeded, sped
FutureI, you, he, she, it, we, theywill speed
Future perfectI, you, he, she, it, we, theywill have speeded, sped
Continuous Form
PresentIam speeding
he, she, itis speeding
you, we, theyare speeding
PastI, he, she, itwas speeding
you, we, theywere speeding
Present perfectI, you, we, theyhave been speeding
he, she, ithas been speeding
Past perfectI, you, he, she, it, we, theyhad been speeding
FutureI, you, he, she, it, we, theywill be speeding
Future perfectI, you, he, she, it, we, theywill have been speeding
Collocations
COLLOCATIONS
 Mort got caught speeding again.
Thesaurus
THESAURUSmove quickly
to move or go somewhere very quickly, because you need to be somewhere very soon:  There’s plenty of time – we don’t need to rush.
to go somewhere as fast as you can, especially because it is important that you get somewhere:  The fire engines raced to the burning building.
to go somewhere more quickly than usual, especially because there is not much time:  People hurried into stores to escape the rain.
to move quickly forward on foot, with a lot of energy:  The boys charged up the trail, laughing and yelling.
to move very fast, used about cars, trains, etc., or the people traveling in them:  The train sped toward San Francisco.
formal to move or do something quickly or without delay. Used in writing and literature:  Mr. Samuels hastened toward him, calling his name.
1[intransitive always + adv./prep.] to go quickly: speed along/down/past/away etc. The car sped along the dusty highway.► see thesaurus at rush12[transitive always + adv./prep.] to take someone or something somewhere very quickly: speed somebody to/away/back etc. Security guards sped her to a waiting helicopter.3[intransitive usually in progressive] to be driving faster than the legal limit:  I’m sure I wasn’t speeding, officer. Mort got caught speeding again.4[transitive] to make something happen faster SYN speed up:  The good news should speed his recovery. → see also speedingspeed by phrasal verb if time speeds by, it seems to pass very quicklyspeed up phrasal verb speed something ↔ up to move or happen faster, or to make something move or happen faster:  Speed up – we’re going to be late. The new system will speed up the registration process.
随便看

　

英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2024/9/22 5:35:40