Meteoroid
01
流星体, 小天体
a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth
例子
Meteoroids often originate from comets or asteroids and can range in size from tiny particles to objects several meters in diameter.
流星体通常来源于彗星或小行星，大小可以从微小颗粒到直径几米的物体不等。
词汇树
micrometeoroid
meteoroid
