cycle motion

例句：

1. 1. The cycle motion of the planets is fascinating to watch.
   行星的循环运动令人着迷。
2. 2.The cyclical nature of life means that we must adapt to change.
   生命的周期性意味着我们必须适应变化。
3. 3. The cyclical pattern of the seasons reminds us of the cycles of life.
   季节的周期性模式让我们想起了生命的循环。