a fictitious sun used for timekeeping that moves at a constant rate along the celestial equator
| 单词 | mean sun |
| 释义 | mean sunnouna fictitious sun used for timekeeping that moves at a constant rate along the celestial equator |
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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。