adj.凸起的；碰撞的

動詞bump的過去式和過去分詞形式.

She bumped her head in the doorway and swore loudly. 她的頭撞到門框上，大罵了一聲。

My bike bumped over the ruts. 我的自行車在凹凸不平的車轍道上顛顛簸簸。

The bus bumped into the back of the car. 公共汽車砰的一聲撞上了一輛汽車的後部。

The old bus bumped along the mountain road. 舊公共汽車沿著山路顛簸行駛。

I've bumped my knee on the wall. 我的膝蓋撞上了墻壁。

The car bumped and his forehead hit the glass. 汽車顛簸了一下，他的前額撞到了玻璃上。

The car bumped on the uneven surface of the gravel road. 汽車在高低不平的礫石路面上顛簸著。

We bumped up and down along the gravel path. 我們沿礫石小路顛簸而行。