3 sentences

1. 地球绕着太阳回转。

   dì​qiú rào zhe tài​yang huí​zhuǎn.

   The Earth revolves around the sun.

   Source: Dong Chinese Dictionary

2. 他在冬季奥运会中参加了回转滑雪项目。

   tā zài dōng​jì ào​yùn​huì zhōng cān​jiā le huí​zhuǎn huá​xuě xiàng​mù.

   He participated in the slalom skiing event at the Winter Olympics.

   Source: Dong Chinese Dictionary

3. 他刚走出门又立刻回转，原来是忘了拿书包。

   tā gāng zǒu​chū mén yòu lì​kè huí​zhuǎn, yuán​lái shì wàng le ná shū​bāo.

   He had just stepped out the door when he immediately turned back, as he had forgotten his backpack.

   Source: Dong Chinese Dictionary