| 单词 | apastron |
| 释义 | apastron /euh pas"treuhn, -tron/, n. , pl. apastra /-treuh/. Astron. the point at which the stars of a binary system are farthest apart (opposed to periastron). [ < NL < Gk ap- AP-2 + ástron star, constellation; on the model of APOGEE] |
| 随便看 |
英语词典包含168451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。