planetesimals的翻译，读音
释义：
(planetesimal 的复数) n. 星子, 小行星体
plural of planetesimal
n. one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
plural of planetesimal
n. one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system