dross
n.(名词)A waste product or an impurity, especially an oxide, formed on the surface of molten metal.废料或混杂物,尤指在融化金属表面形成的氧化物Worthless, commonplace, or trivial matter:凡物:没有价值、平凡或锁碎的事物:例句:.He was wide-awake and his mind worked clearly, purged of all dross.(Vladimir Nabokov).他毫无睡意,脑子思维清楚,没有任何杂念.(弗拉基米尔·纳博科夫)
来源:Middle English dros 中古英语 dros from Old English drôs [dregs] 源自 古英语 drôs [残渣]
【引伸】
dross.y
adj.(形容词)