stain可数吗
问题描述：
stain可数吗
答
作为以下意思的时候可数：[C]dirty mark or patch of colour caused by staining (stainv 1) 污点; 污斑; 污迹:There's an ink stain on your shirt.你的衬衫上有一个墨水斑.* I can't get these coffee stains out ...