revolving wheel

例句：

1. 1. The car's engine is a revolving wheel that powers the vehicle.
   汽车的引擎是一个旋转的轮子，为车辆提供动力。
2. 2. The old clock had a wooden revolving wheel that turned by hand.
   旧式时钟有一个木头制的旋转轮，需要手动转动。
3. 3.The new invention uses a revolving wheel to power the machine.
   这项新发明使用一个旋转轮来驱动机器。