pendulum rebound

例句：

1. 1.The pendulum rebounded after the earthquake.
   地震后摆钟反弹了。
2. 2.The ball bounced up and down on the court.
   球在球场上弹来弹去。
3. 3.The car swung back to its original position.
   汽车又回到了原来的位置。