- the point in a lunar orbit when a spacecraft launched from the moon is nearest the moon
| 单词 | perilune |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 per•i•lune (per′i lo̅o̅n′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: perilune /ˈpɛrɪˌluːn/ n
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