| 词汇 | sweep |
| 词根词缀 | 词源： sweep (v.) c.1300, perhaps from a past tense form of M.E. swope "sweep," from O.E. swapan "to sweep" (transitive & intransitive); see swoop. The noun meaning "range, extent" is attested from 1679; in ref. to police or military actions, it is attested from 1837. Sense of "a winning of all the tricks in a card game" is from 1814 (see sweepstakes); extended to other sports by 1960. As a shortened form ofchimney-sweeper, first attested 1812. 词根记忆： v. 扫,打扫;席卷,冲光;扫过,掠过After a deep sleep, the weeping sweeper keeps on peeping the sheep on the steep.酣睡之后,哭泣的清扫者继续窥视峭壁上的羊. |
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