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单词 perilune
释义

perilune

/ˈperɪljuːn/
noun
mass noun
the point at which a spacecraft in lunar orbit is closest to the moon
近月点。APOLUNE的反义词。
词源
1960s: from PERI-'around' + Latin luna 'moon', on the pattern of perigee.
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更新时间:2025/1/9 5:20:36