meteoroid
英 ['miːtɪərɒɪd]
美['mitɪər,ɔɪd]
- n. [天] 流星体
英英释义
- 1. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
实用场景例句
- 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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双语例句
- 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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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.
推荐单词
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