bumper

详细解释:n. 缓冲器, 满杯
a. 大胜利的
【化】 保险杠; 防冲装置; 缓冲器; 防撞器; 减震器

英语解释：

名词 bumper:

a glass filled to the brim (especially as a toast)a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage

形容词 bumper:

extraordinarily abundant

例句：

Part of the car's bumper had come adrift.汽车的保险杠有一处松动了。