revolving switch

例句：

1. 1. The revolving switch on the door controls the light.
   门上的旋转开关控制着灯光。
2. 2. The new car has a revolving switch for easy parking.
   新款汽车有一个旋转开关，便于停车。
3. 3.The old clock had a revolving switch that could be turned off by pressing a button.
   旧时钟有一个可以按下按钮关闭的旋转开关。