2 sentences for 旋 (xuán — revolve)

1. 旋床上的零件在飞快地旋。

   xuàn chuáng shàng de líng​jiàn zài fēi​kuài de xuán.

   The part on the lathe is spinning rapidly.

   Source: Dong Chinese Dictionary

2. 大风吹过，枯黄的落叶在空中不停地旋。

   dà​fēng chuī guò, kū​huáng de luò​yè zài kōng​zhōng bù​tíng de xuán.

   As the wind blew, the withered yellow leaves kept swirling in the air.

   Source: Dong Chinese Dictionary