rotation in the sense of counter turn

例句：

1. 1. The car's engine is designed for smooth and efficient rotation.
   汽车的发动机设计用于平稳且高效的旋转。
2. 2.The machine rotates the gears to change the direction of the screw.
   这台机器通过旋转齿轮来改变螺丝的方向。
3. 3.The planets rotate around the sun in a circle.
   行星围绕太阳以圆圈的形式旋转。