Micrometeor
volume
British pronunciation/mˈaɪkɹəʊmˌiːtɪə/
American pronunciation/mˈaɪkɹoʊmˌiːɾɪɚ/

"micrometeor"的定义和意义

Micrometeor
01

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

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