| 词汇 | bumper |
| 词根词缀 | 词源： 1676, "glass filled to the brim;" perhaps from notion of bumping as "large," or from a related sense of "booming" (see bump). Meaning "anything unusually large" is from 1759, slang. Meaning "buffer of a car" is from 1839, Amer.Eng., originally in ref. to railway cars; 1926 of automobiles. |
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