| 单词 | apocenter |
| 释义 | apocenter —apocentric, adj. —apocentricity /ap'euh sen tris"i tee/, n. /ap"euh sen'teuhr/, n. Astron. the point in the orbit of a heavenly body farthest from a primary other than the earth or the sun. Cf. pericenter. [1900-05; APO- + CENTER] |
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