meteoroid

n. 流星体

发音

US

词形变化

meteoroids 复数 meteoroids

释义与例句

n.
  1. 1.

    A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere

    天文

词汇关系

名词

同义词 1

meteor

下位词 1

meteorite

词源

From meteor + -oid.

来源：wiktionary