【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 bumps on 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。
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