1.(last drops)残渣；渣滓
Colum drained the dregs from his cup.科拉姆倒掉了杯子里的残渣。
2.(solid particles)(葡萄酒、咖啡等底部的)沉淀物
3.<非正式>(despicable people)卑鄙之徒；可鄙之人
such dregs as Cannon and Jones像坎农和琼斯一样的卑鄙小人
4.the dregs of sth
(worst part)…的糟粕
He sees dissidents as the dregs of society.他把持不同政见者看成社会的渣滓。