Another key purpose that our moon serves is that its gravitational force stabilizes earths axis with respect to earths plane of orbit around the sun.

月球也有另一个主要功用：它的引力使地球的轴心跟地球绕太阳运行的轨道平面保持一定的倾斜度。

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Another key purpose that our moon serves is that its gravitational force stabilizes earths axis with respect to earths plane of orbit around the sun.

月球也有另一个主要功用：它的引力使地球的轴心跟地球绕太阳运行的轨道平面保持一定的倾斜度。

youdao