| 单词 | periastrons |
| 释义 | periastron /per-i-asˈtron/ (astronomy)nounThat stage in the orbit of a comet, a component of a binary star, etc when it is closest to the star around which it revolves ORIGIN: peri- (2), and Gr astron star |
| 随便看 |
英语词典包含305067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。