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micrometeor是什么意思

micrometeor

美[maɪkroʊ'miːtɪə(r)]  英[maɪkrəʊ'miːtɪə(r)]
n.  [天]微流星体
  近义词:micrometeorite,micrometeoroid,

英英释义

Noun
  1. a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere
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