| 单词 | apoapsis |
| 释义 | apoapsis in British English (ˌæpəʊˈæpsɪs) noun astronomy the point in an elliptical orbit which is farthest from the object being orbited apoapsis in American English (ˌæpoʊˈæpsɪs) noun Astronomy the farthest point from the gravitational center in the orbit of any satellite see also periapsis |
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