circle of rotation

例句：

1. 1. The planet revolves around the sunin a circle of rotation.
   行星绕太阳以圆周运动。
2. 2. The spacecraft completed itsorbit of rotation before returning to Earth.
   宇宙飞船完成其轨道旋转后返回地球。
3. 3. Thecar's wheels rotate in a circleof rotation as it moves forward.
   汽车的车轮在前进时以圆周运动旋转。