名詞 bumper:

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

形容詞 bumper:

1. extraordinarily abundant

1. Part of the car's bumper had come adrift.
   汽車的保險杠有一處松動了。
2. The benign weather brought North America a bumper crop.
   溫和的氣候給北美帶來大豐收。
3. The bumper harvest of coffee last year is the cause of this year's weak market.
   去年的咖啡大豐收是造成今年市場疲軟的原因。
4. Please give me a bumper.
   請給我斟一滿杯。
5. A bumper is a part of a motor vehicle.
   保險桿是機動車輛的一部分。

bumper

n.（名詞）
A usually metal or rubber bar attached to either end of a motor vehicle, such as a truck or car, to absorb impact in a collision.
保險桿：與機動車如卡車或轎車的任一端相連的，用來減少碰撞中的沖擊的金屬桿或橡能上能下桿
A protective device for absorbing shocks or impeding contact.
減震器，緩沖器：用來減少沖擊或阻礙性聯(lián)系的保護設(shè)施

bumper
bumper 2

n.（名詞）
A drinking vessel filled to the brim.
干杯中的滿杯：已滿到邊沿的一大杯
Something extraordinarily large.
巨大的東西
adj.（形容詞）
Extraordinarily abundant or full:
豐盛的：十分滿的，豐收的，豐富的：
例句：
a bumper crop of corn.
玉米豐收

來源：
Perhaps from bump
可能源自 bump