| 词汇 | rash |
| 词根词缀 | 词源： 1. rash (adj.) c.1300, "nimble, quick, vigorous," a Scottish and northern word, perhaps from O.E. -ræsc (cf. ligræsc "flash of lightning"), from P.Gmc. *raskuz (cf. M.L.G. rasch, M.Du. rasc "quick, swift," Ger. rasch "quick, fast"). Related to O.E. horsc "quick-witted." Sense of "reckless, impetuous, heedless of consequences" is attested from 1509. 2. rash (n.) "red spots on skin," 1709, perhaps from Fr. rache "a sore," from O.Fr. rache "ringworm," from V.L. *rasicare "to scrape" (cf. O.Prov. rascar, Sp. rascar "to scrape, scratch," It. raschina "itch"), from L. rasus "scraped," pp. of radere "to scrape" (see raze). The connecting notion is of itching. Sense of "any sudden outbreak or proliferation" first recorded 1820. 词根记忆： a. 轻率的,鲁莽的n.皮疹It was rash of you to say so.你那样说真是太卤莽了. |
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