vi.弄脏；污染；被玷污；vt.玷污，染污；败坏（名声）；给…染色；n.污点；瑕疵；着色剂；色斑 变形： 复数：stains过去式：stained过去分词：stained现在分词：staining第三人称单数：stains 双语释义：v.(动词)vt. & vi. (使)染色 (cause to) colour wood, fabrics, etc. with a substance that penetrates the materialvi. 褪色; 变污 become discoloured or