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单词 perilune
释义

WordReference Random House Unabridged Dictionary of American English © 2024
per•i•lune  (peri lo̅o̅n′),USA pronunciation n. 
  1. Aerospace, Astronomythe point in a lunar orbit that is nearest to the moon. Cf. apolune. 
  • Latin lūna moon, on the model of perigee
  • peri- + -lune 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::
perilune /ˈpɛrɪˌluːn/ n
  1. the point in a lunar orbit when a spacecraft launched from the moon is nearest the moon
Etymology: 20th Century: from peri- + -lune, from Latin lūna moon
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更新时间:2025/7/23 15:51:40