2 sentences

1. 地球绕着地轴自转。

   dì​qiú rào zhe dì​zhóu zì​zhuàn.

   The Earth rotates on its axis.

   Source: Dong Chinese Dictionary

2. 地球绕着地轴不停地旋转。

   dì​qiú rào zhe dì​zhóu bù​tíng de xuán​zhuǎn.

   The Earth constantly rotates on its axis.

   Source: Dong Chinese Dictionary