在这条路上要小心；前面有个大凸起。

Be careful on this road; there's a big ___bump ahead.

我们社区里的减速带确实能让车辆慢下来。

The speed ___bumps in our neighborhood really slow down traffic.

冰雹过后，我在汽车的引擎盖上发现了一个小凸起。

I found a small ___bump on the car's hood after the hailstorm.