meteoroid的意思

meteoroid

英式音标['mitɪər,ɔɪd]
美式英标['miːtɪərɒɪd]

基本解释

n. [天] 流星体

英文词源

meteoroid (n.): "rock floating in space, which becomes a meteor when it enters Earth's atmosphere," formed in English, 1865, from meteor + -oid.

实用例句

1. The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.: 彗星的喷发速度在流星群的演化过程中起着重要作用.

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