meteoroid

英[\'mi:tj?r??d]
美[\'mit??r???d]

基本釋義

n.
流星體

實(shí)用例句

The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.

彗星的噴發(fā)速度在流星群的演化過(guò)程中起著重要作用.

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英英釋義

Noun

  • 1. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere

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