meteoroid
英 [ˈmiː.ti.ə.rɔɪd]
美 [ˈmiː.t̬i.ə.rɔɪd]
- n. [天] 流星体
英语词源
- meteoroid (n.)
- "rock floating in space, which becomes a meteor when it enters Earth's atmosphere," formed in English, 1865, from meteor + -oid.
权威例句
- 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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