A contracting mass of gas representing an early stage in the formation of a star, before the star is dense enough to sustain nuclear reactions.
| 单词 | θ853 |
| 释义 | the world > the universe > star > kind of star > protostar > [noun] (1) protostar1948 A contracting mass of gas representing an early stage in the formation of a star, before the star is dense enough to sustain nuclear reactions. |
| 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。