自转 绕轴旋转
Self-rotation rotates around an axis
以上为机器翻译结果，长、整句建议使用 人工翻译 。
近地半球总是面对地球，远地半球总是远离地球，因为月球在绕地球旋转的同时，它也在以同样的速率绕自己的轴自转。
The near side is always facing Earth and the far side is always facing away, because the moon revolves around the Earth at the same rate that it rotates on its own axis.
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