dregs
noun [ plural ] uk/dreɡz/ us/dreɡz/
（沉在酒、咖啡等液体中的）残渣，渣滓
the small solid pieces that sink to the bottom of some liquids, such as wine or coffee, that are not usually drunk
I wanted a last drink of coffee, but there were only dregs left. 我还想最后再喝一杯咖啡，但是只剩下残渣了。
She had drunk her coffee down to the dregs (= finished it). 她一仰头，咖啡一饮而尽。
Idiom
the dregs of society/humanityidiom 社会／人类的渣滓
a group of people in society who you consider to be immoral and of no value
People tend to regard drug addicts as the dregs of society. 人们往往把吸毒者当作社会的渣滓。
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