| 词汇 | periastron |
| 释义 | periastron /ˏpєrɪ`astrәn/ n. That point of the orbit of a heavenly body, as of a satellite or of one element of a double star, which is nearest to the center around which it revolves. 【天】近星点。 |
| 随便看 |
|
青年旅行网英语在线翻译词典收录了440382条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。