meteoroid

汉语翻译

n. 流星体

英语解释：

名词 meteoroid:

1. (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
   同义词：meteor

详细解释：

me.te.or.oid

n.（名词）
A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust.
流星体：活动在空间的固体天体，比小行星小，至少与尘埃一样大