1. | [u][sing] 浮沫;浮垢;浮渣a layer of bubbles or an unpleasant substance that forms on the surface of a liquid |
Skim off any scum. 撇净浮沫。 | |
stinking water covered by a thick green scum 盖着厚厚一层绿色浮垢的臭水 |
2. | [u][pl] (informal) (骂人的话)渣滓,败类an insulting word for people that you strongly disapprove of |
Don't waste your sympathy on scum like that. 对这样的渣滓你没必要同情。 | |
Drug dealers are the scum of the earth(= the worst people there are) . 毒品贩子是社会渣滓。 |