Every time I went over a bump in the road, my bicycle chain came off. 每次我经过路上隆起的地方时我的自行车链条就会掉下来。
Her body was covered in bumps and bruises. 她身上到处都是肿块和伤痕。
She got a nasty bump on the back of her head. 她的后脑勺受到严重碰撞。
We felt the bump and knew the boat had run aground. 我们感到撞了一下，知道船搁浅了。