| 单词 | comet |
| 释义 | comet —cometary /kom"i ter'ee/, cometic /keuh met"ik/, cometical, adj. —cometlike, adj. /kom"it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail that streams away from the sun. [1150-1200; ME comete < AF, OF < L cometes, cometa < Gk kométes wearing long hair, equiv. to kome-, var. s. of komân to let one's hair grow (deriv. of kóme hair) + -tes agent suffix] |
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