音标：[,maikrәj'mi:tiәrɔid] ；

n. [天]微流星体

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

词型变化：名词复数形式 : micrometeoroids

micrometeoroid的用法和样例：

例句

用作名词(n.)

The inflatable spars, for example, will not remain rigid for long because of the inevitable micrometeoroid impacts.举例来说，可膨胀伸出的帆桅，由于无法避免微流星体的撞击，因此无法长久保持坚硬的状态。

【近义词】

micrometeorite微小陨石
micrometeor[天]微流星体...

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实用英语

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学英语单词

a control tower

act upon

ausburn

beam-loading coefficient