a horizontal bar fixed across the front or back of a motor vehicle to reduce damage in a collision as a trim
（车辆）保险杠。
【板球】 〈旧〉 同
【赛马】 （为跳栏或障碍赛作准备的）新马平地赛。[ORIGIN: said to be from an earlier racing term
〈古〉 大满杯敬酒。
〈澳／ 新西兰，非正式〉 烟头，烟屁股。[ORIGIN: late 19th cent.: of unknown origin.]
exceptionally large, fine, or successful
特大的；非常好的；非常成功的
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a bumper crop. 丰收。
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bumper-to-bumper very close together, as cars in a traffic jam 紧挨 -
（of an insurance policy） comprehensive; all-inclusive （保险单）广泛的，全包的
