| 单词 | comet |
| 释义 | Word Frequency comet(ˈkɒmɪt) noun a celestial body that travels around the sun, usually in a highly elliptical orbit: thought to consist of a solid frozen nucleus part of which vaporizes on approaching the sun to form a gaseous luminous coma and a long luminous tail Derived forms cometary (ˈcometary) or cometic (kɒˈmɛtɪk) adjective Word origin C13: from Old French comète, from Latin comēta, from Greek komētēs long-haired, from komē hair |
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