an apparent or real oscillation of the moon or other celestial body that causes parts at the edge of the disc to become alternately visible and invisible
[Latin libration-, libratio, from librare to balance, from libra scales]
| 单词 | libration |
| 释义 | libration |
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英语词典包含66266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。