n.碰撞；冲突
The liner is reported to have been in collision with an oil tanker. 据报道，这艘客轮与一艘油轮相撞。
The Government and the unions are on a collision course. 政府和工会必将发生冲突。
This collision had a very unusual cause. 这次冲突有着非同寻常的原因。
碰撞
n.防碰撞
