| 词汇 | perk |
| 词根词缀 | 词源： 1. perk (v.) late 14c., "to make oneself trim or smart," perhaps from O.N.Fr. perquer "to perch" (Fr. percher; see perch (1)), on notion of a bird preening its plumage. Sense of "raise oneself briskly" is first attested 1520s; perk up "recover liveliness" is from 1650s. 2. perk (n.) 1869, shortened and altered form of perquisite (q.v.); 1934 as shortened and altered form of percolate (see percolation). |
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