单词	planetary
释义	planetplan‧et /ˈplænɪt/ ●●● W3 noun [countable] Word Origin WORD ORIGINplanet Origin: 1100-1200 Old French planete, from Late Latin planeta, from Greek planes ‘wanderer’ Examples EXAMPLES FROM OTHER DICTIONARIES Saturn is the planet with rings around it. EXAMPLES FROM THE CORPUS Certainly, evidence of intelligent civilizations on planets orbiting distant stars would be an epochal event in human history. In this way the differentiation of a planet may act to slow down the operation of the heat engine. It is almost certain that, during the Earth's early history, the planet was a frequent victim of cometary impacts. One of my boyfriends said that it's as if I was from another planet. The entire planet is fluid, like a star. The orbital motion of the earth provided a causal explanation for why the planets appeared to meander across the sky. We will take the animals to different planets. Thesaurus THESAURUSin the sky► star a large ball of burning gas in space, which can be seen at night as a point of light in the sky: · The dark night sky was clear and full of stars. ► planet one of the large objects that goes around the Sun, for example the Earth, Saturn, Mercury, or Mars: · The planet Uranus was discovered in 1781. ► sun the star that gives us light and heat, around which the planets move. There are also many millions of other suns in the universe: · The sun came out from behind a cloud.· a dying sun ► moon the round object that moves around the Earth every 28 days, or a similar object that goes around another planet: · The moon rose in the night sky.· Titan is one of the moons of Saturn. ► asteroid a mass of rock that moves around the sun. Most asteroids are found between Jupiter and Mars: · the asteroid belt ► pulsar a type of star that is far away in space and produces radiation and radio waves ► quasar an object like a star that is far away in space and shines extremely brightly ► supernova a very large exploding star ► constellation a group of stars that forms a particular pattern and has a name: · The constellation of Orion is one of the most easily recognizable patterns of stars in the night sky. ► galaxy one of the large groups of stars that make up the universe: · Astronomers have detected a galaxy 11 billion light years away. ► the universe all space, including all the stars and planets: · How many planets in the universe have life? Longman Language Activatorthe world► the world the planet we live on, and all the places on it: · In some parts of the world, clean drinking water is very scarce.all over the world: · You can buy Coca-Cola all over the world.around the world (=in every part of the world): · Scientists around the world have been conducting similar experiments.· The ceremony was seen on television around the world.the whole world (=everyone and everything in the world): · For South Africa, and indeed for the whole world, 1990 was a year of great change.· The two countries are trying to work out a peace deal with the whole world watching.the best, fastest etc in the world/the world's best, fastest etc: · It's the world's tallest building.· At age 116, she was believed to be one of the oldest people in the world. ► earth/Earth use this especially when you are comparing our world with the moon, stars, and other places in space: · Light from the stars can take millions of years to reach Earth.the earth/the Earth: · The earth revolves around the sun.· Water is one of the Earth's most important resources.the largest/oldest/poorest something on earth: · Vietnam is among the poorest nations on Earth.· The blue whale is the largest animal on Earth.to earth: · The space shuttle returned safely to earth on December 9th. ► the planet use this especially when you are talking about problems that affect the environment: · The massive volcanic eruption could affect the climate of the whole planet.· Energy conservation is vital for the future of the planet.· Ozone shields the planet from the effects of the sun's ultraviolet radiation. ► the globe use this especially when you want to emphasize the great distances or areas involved in something that happens or exists in the world: · Water covers over half of the globe.· Using satellites, television pictures can be seen on the other side of the globe almost instantly.all over the globe (=everywhere in the world): · This garden has exotic plants from all over the globe. WORD SETS► Astronomy asteroid, nounastro-, prefixastronaut, nounastronomical, adjectiveastronomy, nounastrophysics, nounAU, aurora borealis, nounBig Bang, the, nounblack hole, nouncelestial, adjectivecomet, nounconstellation, nouncorona, nouncosmic, adjectivecosmic ray, nouncosmology, nouncosmonaut, noundead, adjectiveearth, nouneclipse, nouneclipse, verbecliptic, nounequinox, nounescape velocity, nounextraterrestrial, adjectivegalactic, adjectivegalaxy, noungeostationary orbit, nounHubble Space Telescope, the, infinity, nounintergalactic, adjectiveinterplanetary, adjectiveinterstellar, adjectiveJupiter, nounlaunch, verblaunch, nounlight year, nounLittle Bear, lunar, adjectivelunar month, nounmagnitude, nounMars, nounMercury, nounmeteor, nounmeteoric, adjectivemeteorite, nounMilky Way, the, month, nounmoon, nounmorning star, nounNASA, nounnebula, nounNeptune, nounnew moon, nounnova, nounobservatory, nounorbit, verborbit, nounorbiter, nounouter space, nounphase, nounplanet, nounplanetarium, nounplasma, nounPluto, nounquadrant, nounquarter, nounquasar, nounradio telescope, nounring, nounrocket, nounsatellite, nounSaturn, nounsea, nounshooting star, nounsolar, adjectivesolar system, nounspace, nounspace capsule, nounspacecraft, nounspace probe, nounspaceship, nounspace shuttle, nounspace station, nounstar, nounstargazer, nounsteady state theory, nounstellar, adjectivesun, nounsunspot, nounsupernova, nountelescope, nountelescopic, adjectiveterrestrial, adjectiveUranus, nounVenus, nounwane, verbwax, verbwhite dwarf, nounworld, nounzenith, noun Collocations COLLOCATIONS FROM OTHER ENTRIES► destroy the world/planet · No one wants another war, which might destroy the world. ► a distant planet/galaxy/star · They saw telescope images of the distant planet Neptune. COLLOCATIONS FROM THE CORPUSADJECTIVE► different · We will take the animals to different planets.· To say the two groups come from different planets is almost true, and probably considered a compliment by both.· The law-abiding seem to live on a different planet.· I felt they were coming from a different planet.· Though he dismisses the tag of dreamer, the scale of his plans are on a different planet.· At least when it comes to politics, women and men are orbiting different planets and different parties.· Suddenly they were on different planets.· Andrew however came from a different planet. ► distant · The funny man who had found her on a distant planet and had treated her as a human being.· They got their name more than 100 years ago when astronomers thought their roundish shapes resembled distant planets.· Perhaps prehistoric visitors from distant planets erected it here - Space Odyssey style - purely for this purpose?· Why was she on this distant planet, trying to discover how the Althosian civilization was destroyed?· We pretended to fly to distant planets in futuristic spaceships.· She knows that the guest has come from another, distant planet, one with an important status in the universe.· Taking all this into account, we have to ask why the extraterrestrials should be remotely interested in seeding distant planets. ► entire · Circling the earth every 100 minutes, it will observe the entire planet every three days.· Thus the immediate result of a K / impact anywhere on Earth would be wildfire ignition over the entire planet.· He was going to die saving an entire planet from the Daleks.· The entire planet is fluid, like a star.· For the sake of a handful of people making huge profits the entire planet has been put in jeopardy.· The ring of fire contains a very large fraction of the earthquake activity of the entire planet.· Acid rain and marine pollution hurt neighbouring countries; ozone depletion and global warming threaten the entire planet.· The best way to get that carbon dioxide into the atmosphere is to warm the entire planet. ► giant · In this respect particular attention has been paid to the giant gas planets like Jupiter and Saturn.· The giant planets will remain a puzzle for a long time.· The giant planets, with such feeble solar heating, are also very cold.· The high abundances of hydrogen and helium are features of the giant planets also.· Typically, the giant planets contain about forty-five parts per million of helium-3 in their atmospheres.· The giant planets are, in fact, warm inside.· Discovery would enter a parking orbit around Saturn, be-coming a new moon of the giant planet.· But that betrays a terribly parochial notion of what giant planets are like. ► other · Finally, Mercury and the Moon may be much less thoroughly outgassed than the other terrestrial planets.· But what about other planets, where water may be a scarce commodity?· But I wasn't sure they were the kind of entities that come from other planets.· Thermal tides occur in the atmospheres of other planets.· There may be yet more complicated objects than us on other planets, and some of them may already know about us.· The outcome matches the estimated rate in Figure 8.2, and this provides support for the rates for the other planets.· These could be on other planets, in artificial space colonies or even beneath the Earth's own oceans.· But the annexation of the other planets of the Althosian system had left Nicaea economically and morally bankrupt. ► red · The pictures are the best indication so far that traces of life may be found on the red planet.· Much wackiness ensues en route to the red planet. ► terrestrial · There are three main ways in which the terrestrial planets could have acquired their volatiles.· The inner edge of the belt, the part closest to Mars and the other terrestrial planets, is compositionally complex.· Finally, Mercury and the Moon may be much less thoroughly outgassed than the other terrestrial planets.· The most likely fate is to collide with one of the terrestrial planets.· Through all these means small bodies can bring to the terrestrial planets volatiles in sufficient abundance to match the observations.· This astonishing discovery of polar ice on Mercury makes it clear that impacts play a major role on all the terrestrial planets.· The mean density of Mercury indicates that its interior is substantially different from the interiors of the other terrestrial planets.· Thus the four terrestrial planets are all affected in important but very different ways by comet and asteroid impacts. ► whole · Suddenly, a whole new planet was accessible; and not only accessible but available, unoccupied, deserted.· It is, in a sense, a whole new planet.· This whole planet is controlled by a vast defence system.· If time did stop, for the whole planet, it would always happen between things.· We're talking about weapons neither of us could use without destroying ourselves and probably our whole planet.· Star of Tolerance will address the whole planet, so we are obliged to be as responsible as we can be.· Elton John is probably the best bloke on the whole planet.· Would even a hidden master squander a whole planet simply to test one individual? NOUN► earth · There are 5.8 billion people on planet Earth today.· On the planet Earth, the first crude knot had been tied...· The game that was being played out in the shadows around the planet Earth was old beyond even its understanding.· Since the dawn of time, roughly a hundred billion human beings have walked the planet Earth.· No wonder failure exists on planet Earth.· What exciting, fulfilling, profitable things do I want to do during my short span on planet Earth?· The rest of us humans are outside, but inside the test tube of planet Earth. VERB► live · The law-abiding seem to live on a different planet.· The fact that future generations may find themselves living in a warmer planet can not be built into today's selection processes.· Astronauts have learned that we live on a delicate planet whose complex workings are poorly understood. ► save · Anita doesn't want to save the planet any more.· He was going to die saving an entire planet from the Daleks.· Geoffrey Cannon explains how you can save the planet by saving yourself.· In part two: Time to act ... the Greens plea to save our polluted planet from destruction.· Their daughter was saving the planet from complete annihilation.· The Green Party is campaigning on the simplest of tickets in this election ... the need to save our planet.· She was much more fun after a few drinks, gently mocking her dedication to saving this planet.· We have 10 years to make the decisions which could save the planet. Phrases PHRASES FROM THE ENTRY► somebody is (living) on another planet/what planet is somebody on? As a replacement for the Bluebird, the Primera is on another planet. People in the Antelope Valley worry that most people south of the mountains think that their valley is on another planet. ► the planet Energy conservation is vital for the future of the planet. Ozone shields the planet from the effects of the sun's ultraviolet radiation. the future of the planet The massive volcanic eruption could affect the climate of the whole planet. 1a very large round object in space that moves around the Sun or another star:  Mercury is the smallest of all the planets. Is there life on other planets? the future of planet Earth ► Don’t say ‘in a planet’. Say on a planet.2somebody is (living) on another planet/what planet is somebody on? spoken used humorously to say that someone’s ideas are not at all practical or sensible:  He thinks motherhood is glamorous – what planet is he on?3the planet the world – used especially when talking about the environment:  a safer future for the planet—planetary adjective [only before noun]:  the planetary system
随便看	revengeful revenue reverberate reverberation revere reverence Reverend reverend Reverend Mother reverent reverential reverentially reverently Revere, Paul reverie reversal reverse reverse discrimination reverse engineer reverse engineering reverse gear reverse snobbery reversible reversing light reversion

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