"碰撞"用英语可以表示为"collision"。它来源于拉丁语"collisio"，意思是"相撞"、"冲突"。例如：

The collision of the two cars caused a traffic jam. (两辆车的碰撞造成了交通堵塞。)

The collision of the two ideas led to a new concept. (两种思想的碰撞产生了一个新的概念。)

The collision of the particles resulted in a massive explosion. (粒子的碰撞导致了一次大爆炸。)