油污渍 yóuwūzì oil stain Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他衬衫上的油污渍很难洗掉。 tā chènshān shàng de yóuwūzì hěn nán xǐ diào. The grease stain on his shirt is hard to wash out. Source: Dong Chinese Dictionary