单词	comet
释义	cometcom‧et /ˈkɒmɪt $ ˈkɑː-/ ●○○ noun [countable] Word Origin WORD ORIGINcomet Origin: 1100-1200 Latin cometa, from Greek kometes ‘long-haired, comet’, from kome ‘hair’; because of its long tail Examples EXAMPLES FROM THE CORPUS Astronomers had accidentally caught a comet in the act of turning into an asteroid. At best, the comet will be visible to us naked-eye types for only a few more weeks. Other comets have also been seen to break up. Rourke was the one who was shooting out of her sphere like a trail-blazing comet. Sciorra plays a Colorado astronomer who discovers that an approaching comet has dislodged several asteroids, propelling them toward Earth. Surprisingly, they were the first comets found from Britain this century. To extend the parallel, the impact of the comet would also have released large quantities of hard radiation. Viewed from space, the normal progress of the survey ship was like the passage of a comet. word sets 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 THE CORPUSNOUN► nucleus · Clearly comet nuclei are very weak.· As long as a comet nucleus is still active, fresh clouds of dust are emitted at each perihelion passage.· The other half of the NEOs are extinct comet nuclei. VERB► see · Female speaker Well I've seen Halley's comet and it doesn't to me.· Steve Kates has seen a dozen comets since he was a 9-year-old.· The darker the sky, the better chance of seeing the comet, he said. an object in space like a bright ball with a long tail, that moves around the Sun:  Halley’s Comet
随便看	boredom borefest borehole Borg, Björn Borges, Jorge Luis Borghese Gallery Borgias boring born born-again borne Borneo borough borough council borrow borrower borrowing borrowing powers borstal Bosch, Hieronymus bosh Bosnia Bosnia and Herzegovina Bosnian War bosom

英语词典包含52748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。