| 单词 | scour |
| 释义 | scour 1. v. & n. --vtr. 1. a cleanse or brighten by rubbing, esp. with soap, chemicals, sand, etc. b (usu. foll. by away, off, etc.) clear (rust, stains, reputation, etc.) by rubbing, hard work, etc. (scoured the slur from his name). 2. (of water, or a person with water) clear out (a pipe, channel, etc.) by flushing through. 3. hist. purge (the bowels) drastically. --n 1. the act or an instance of scouring; the state of being scoured, esp. by a swift water current (the scour of the tide). 2. diarrhoea in cattle. 3. a substance used for scouring. Phrases and idioms scouring-rush any of various horsetail plants with a rough siliceous coating used for polishing wood etc. Derivatives scourer n. Etymology: ME f. MDu., MLG schuren f. F escurer f. LL excurare clean (off) (as EX-(1), CURE) 2. v. 1. tr. hasten over (an area etc.) searching thoroughly (scoured the streets for him; scoured the pages of the newspaper). 2. intr. range hastily esp. in search or pursuit. Etymology: ME: orig. unkn. |
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