单词 | perigee |
释义 | perigee 1 ENTRIES FOUND: Learner's definition of PERIGEE [singular] technical : the point in outer space where an object traveling around the Earth (such as a satellite or the moon) is closest to the Earth近地点(太空中绕地球运动的天体在运行轨道上离地球最近的点) — compare apogee |
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