perigee
英
['perɪdʒiː]
美
['perɪdʒiː]
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Noun:
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periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
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用作名词 (n.)
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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。
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When perigee and perihelion coincide tidal range is at its greatest.
当月球与地球到达它们的近地点和近日点的时间恰好重合时,就会引起最大的潮汐。
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