bumperWiktionary 原文中文来自 ECDICTn.缓冲器，满杯adj.大胜利的构词拆分bump词根/词干+-er后缀(added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun. · (added to verbs, informal) A person or thing to which the root verb is done or can be done satisfactorily.词源说明From bump + -er.释义（英文）名词 NounSomeone or something that bumps.A drinking vessel filled to the brim.(colloquial, now chiefly attributive) Anything large or successful.(automotive) Parts at the front and back of a vehicle which are meant to absorb