something regarded as worthless; rubbish 废物,垃圾 there are bargains if you have the patience to sift through the dross. 如果你有耐心在那些劣品中细心挑选的话,还是会有很合算的东西的。 ■foreign matter, dregs, or mineral waste, in particular scum formed on the surface of molten metal 杂质,渣滓;(尤指)浮渣