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单词 micrometeoroid
释义

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。
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更新时间:2025/3/19 17:57:01