dross

dross
noun
[mass noun]
  1. 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
派生
drossy
( drossier, drossiest)
adjective(drossier, drossiest)
语源
  1. Old English drōs (in the sense 'scum on molten metal'); related to Dutch droesem and German Drusen 'dregs, lees'
英语宝典
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