periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
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例句
1. The Moon reaches its absolute perigee once a year. 月球每年有一次达到它的绝对近地点。 2. Once the satellite reaches perigee, it will eject a small probe which enter the planet's atmosphere. 当人造卫星达到近地点时,就会发射一根小探针,这根探针将进入行星的大气层。