rotation axiom of the perspective

例句：

1. 1. The car's engine is designed to rotate smoothly.
   这辆车的发动机设计得可以平稳旋转。
2. 2. The planets rotate around the sun.
   行星围绕太阳旋转。
3. 3. The machine rotateson its axis.
   机器沿着其轴线旋转。