单词：planetesimals
(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
n. one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
planetesimals的用法和样例：
例句
- The fragments may well have been primordial planetesimals, according to Weaver.维沃认为，这些碎片是最原始的星子。
- The planetesimals accretions of the Earth obviously have two stages, including initial accretion and late accretion.这种不均一性起源于前地球阶段堆积星子的不均一性。