dross

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++dross /drɒs $ drɑːs, drɒːs/ noun [uncountable]  1  BADsomething that is of very low quality 劣质品，蹩脚货 Most of the poems were pretentious dross. 这些诗大部分都是矫饰的俗烂之作。2  USELESSwaste or useless substances 废料，渣滓 gold with impurities or dross 含杂质的黄金

Examples from the Corpus

dross• Pupils here in the fifth year are generally thought to be dross.• Masterpieces of compression, they resonate with the concentrated power that can create diamonds from dross.• In other words, our enriched material is more than half dross.• In places the dross almost brushed the roof.Origin dross Old English dros

dross nounChinese  

Corpus is something that of low quality very

dross
dross /drɒs $ drɑːs, drɒːs/ noun [uncountable]1. something that is of very low quality:
    Most of the poems were pretentious dross.
2. waste or useless substances:
    gold with impurities or dross

drossBrE /drɒs/ 🔊NAmE /drɔːs/ 🔊, /drɑːs/ 🔊 noun [uncountable] (especially BrE) something of very low quality; the least valuable part of sth 劣质品；糟粕◆mass-produced dross成批生产的劣质品◆The well-written dialogue separates this film from the usual teenage dross.精心撰写的对话将这部电影与一般的劣质青春片区分开来。(specialist) a waste substance, especially that separated from a metal when it is melted 废料；（尤指金属熔化的）浮渣