perfect elastic collision

例句：

1. 1.The perfect elastic collision between the two cars caused a small explosion.
   两辆车的完美弹性碰撞引发了一场小爆炸。
2. 2. The perfect elastic collision of the two objects resulted in a significant change in their shape.
   两个物体的完美弹性碰撞导致了它们形状的显著变化。
3. 3.The perfect elastic collision of the two molecules led to a chemical reaction that produced new substances.
   两个分子的完美弹性碰撞导致了化学反应，产生了新的物质。