| 单词 | asteroid |
| 释义 | asteroid noun[C] uk/ˈæs.tər.ɔɪd/us/ˈæs.tə.rɔɪd/one of manylargerocksthatcirclethesun 小行星 elladoro/iStock/Getty Images Plus/GettyImages Astronomy
asteroid| American Dictionaryasteroid noun[C] us/ˈæs·təˌrɔɪd/earth science anobjectlike a verylargerockthat goes around thesunlike aplanet: Scientists arehopingan asteroid willcluethem in about earlylifeonearth. Examplesofasteroidasteroid The mechanical energy administered to a planetary surface by the impact of a comet orasteroidis another source of deformation. From theCambridge English Corpus Once this is achieved, a new level is reached, and another random amount of large asteroids appears. From theCambridge English Corpus The asteroids, meteoroids and apparently all comets originated in the explosion of planets (or moons). From theCambridge English Corpus Dynamical chemical and isotopic evidence regarding the formation locations of asteroids and meteorites. From theCambridge English Corpus Theasteroidbelt is represented visually by clouds of space debris - percussive sounds in the music. From theCambridge English Corpus The microbial payloads can be captured in asteroids where they may multiply and disperse. From theCambridge English Corpus Similar solutions trapped in asteroids during aqueous alteration, and in meteorites on aqueous planets, can form complex biomolecules, including vesicle-forming membranes. From theCambridge English Corpus Impacts by comets and asteroids with rocky planets are known to displace large masses of material. From theCambridge English Corpus Imagine that you are traveling in a spaceship and have learned that there is a mineral-richasteroidheading your way. From theCambridge English Corpus These would be easy to identify because of their tangential touchdown onto theasteroid, resulting in considerable rolling from their orbital momentum. From theCambridge English Corpus In these cases, the nonhuman comes in the form of a rogue comet orasteroid, shattering the stability of the human world. From theCambridge English Corpus In addition, it is smack in the middle of a mineral-richasteroidpath, and has already benefited from many mineral-rich asteroids. From theCambridge English Corpus The jumps take place in an apparently chaotic fashion and lead to random walks across theasteroidbelt. From theCambridge English Corpus Other discoveries have led to the conclusion that several percent of all asteroids have satellites large enough to be discovered remotely. From theCambridge English Corpus In the former case, comets are rocky asteroids surrounded by a debris cloud. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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