汽车的前保险杠在事故中凹陷了。

The car's front ___bumper was dented in the accident.

一个坚固的保险杠可以防止车辆严重损坏。

A strong ___bumper can prevent serious damage to the vehicle.

总是检查你车辆的保险杠是否有任何损坏迹象。

Always check your vehicle's ___bumper for any signs of damage.