【词组】

(1) bump “肿块，包；凸起，隆起”

(2) speed bump “减速带，减速垄”

英语解释为a narrow raised area put across a road to force traffic to go slowly。

【例句】

Ever since they put those speed bumpson Oakmont, some lunatic driver in a crazy sports car has been racing down our street

自从他们在奥克蒙特设了减速带，一些驾驶疯狂跑车的司机就开始在我们这条街上赛车。