The Earth spins on an imaginary line called an axis that runs from the north pole to the south pole, while also orbiting the sun.

地球绕一个贯穿南极点和北极点的假想轴旋转，这个假想轴称为地轴。 同时也绕太阳公转。

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It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.

它绕着自己的轴旋转；地轴是一条想像的穿过地球中央的、从北极到南极的线。

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