| 单词 | pericynthion |
| 释义 | pericynthion in British English (ˌpɛrɪˈsɪnθɪən) noun the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon Compare perilune, apocynthionWord origin C20: from peri- + -cynthion, from Cynthiapericynthion in American English (ˌpɛrəˈsɪnθiən) noun the point nearest to the moon in the orbit of a lunar satellite |
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