Astronomy. †secondary movable: any of the ‘movables’ except the primum mobile (obsolete). secondary planet: a satellite which revolves round a…
| 单词 | θ727 |
| 释义 | the world > the universe > planet > [noun] > planetary system > secondary (1) secondary system1868 Astronomy. †secondary movable: any of the ‘movables’ except the primum mobile (obsolete). secondary planet: a satellite which revolves round a… |
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