| 单词 | zenith distance |
| 释义 | zenith distance Astron. the angular distance from the zenith of a point on the celestial sphere to the sphere, measured along a great circle that is perpendicular to the horizon; the complement of the altitude. [1695-1705] |
| 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。