stain¹/sten; steɪn/ v 1 [I,T] to accidentally make a mark on something, especially one that is difficult to remove, or to be marked in this way 沾污,染污; 留下难以清除的污迹: The carpet stains easily. 这地毯很容易沾污。 + with a tablecloth stained with wine 沾上葡萄酒渍的桌布 2 [T] to paint wood with a stain 给〔木头〕染色[着色]