micrometeoroid
/ˌmaɪkrəʊˈmiːtɪərɔɪd/noun
- a microscopic particle in space or of extraterrestrial origin which is small enough not to burn up in the earth's atmosphere but to drift to the surface instead微流星体。
单词 | micrometeoroid |
释义 | micrometeoroid/ˌmaɪkrəʊˈmiːtɪərɔɪd/noun
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