Likewise, because the size of the moon's orbit varies slightly, each perigee is not always the same distance away from Earth.
同样,由于月亮轨道并不是一成不变,有轻微的变动,所以每次月球运行至近地点的位置与地球的间距是不一样的。
Likewise, because the size of the moon's orbit varies slightly, each perigee is not always the same distance away from Earth.
同样,由于月亮轨道并不是一成不变,有轻微的变动,所以每次月球运行至近地点的位置与地球的间距是不一样的。
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