名詞 scum:

1. worthless people
   同義詞：trash
2. a film of impurities or vegetation that can form on the surface of a liquid

動(dòng)詞 scum:

1. remove the scum from

1. These scum who fight at the football matches must be severely dealt with!
   必須對(duì)那些專(zhuān)在足球比賽時(shí)打架的社會(huì)渣滓嚴(yán)加懲處！
2. When the meat is boiling, remove the scum.
   當(dāng)肉煮沸時(shí)，把浮在上面的浮渣撇掉。
3. I wouldn't have anything to do with those scum.
   我不會(huì)和那些無(wú)恥之徒來(lái)往。