| 词汇 | whitecap |
| 词根词缀 | 词源： 1660s, of birds, from white + cap. Attested from 1773 in ref. to breaking waves, from 1818 of mushrooms, and from 1891 in ref. to "one of a self-constituted band in U.S. who committed outrages under pretense of regulating public morals" [OED]. |
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