| 单词 | scum |
| 释义 | scum n. & v. --n 1. a layer of dirt, froth, or impurities etc. forming at the top of liquid, esp. in boiling or fermentation. 2. (foll. by of) the most worthless part of something. 3. colloq. a worthless person or group. --v (scummed, scumming) 1. tr. remove scum from; skim. 2. tr. be or form a scum on. 3. intr. (of a liquid) develop scum. Derivatives scummy adj. (scummier, scummiest) adj. Etymology: ME f. MLG, MDu. schum, OHG scum f. Gmc |
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