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单词 apastron
释义
a·pas·tron (ə-păstrən)
n.
The point at which an object is farthest away from the center of mass of the star it is orbiting.

[AP(O)- + Greek astron, star (probably on the model of APHELION); see ster-3 in the Appendix of Indo-European roots.]
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更新时间:2026/6/23 5:32:28