A small solid body following a planetary orbit; a miniature planet; spec. each of the bodies hypothesized to have formed the planets by accretion.
| 单词 | θ709 |
| 释义 | the world > the universe > planet > primary planet > miniature planet > [noun] (2) planetesimal1904 A small solid body following a planetary orbit; a miniature planet; spec. each of the bodies hypothesized to have formed the planets by accretion. planetismal1907 = planetesimal, n. |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。