答案解析

查看更多优质解析解答一举报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 .

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