micrometeoroids

英 [maɪkrɒmɪ'tɔːrɔɪdz] 美 [maɪkrɒmɪ'tɔːrɔɪdz]

• n. 微陨星体

英英释义

名词 micrometeoroid:

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