| 单词 | perilune |
| 释义 | perilune (once / 11819311 pages) n WORD FAMILY perilune USAGE EXAMPLESWe were alluding to a very elliptical orbit with a low perilune “above” the north pole and apolune “above” the south pole. Scientific American(Mar 23, 2012) n periapsis in orbit around the moon Syn|Ant|Hyper periselene apolune, aposelene apoapsis in orbit around the moon periapsis, point of periapsis (astronomy) the point in an orbit closest to the body being orbited |
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