stain

1. N-COUNT A stain is a mark on something that is difficult to remove. 污渍

Remove stains by soaking in a mild solution of bleach. 用温和的漂白溶液浸泡以去除污渍。

2. V-T If a liquid stains something, the thing becomes coloured or marked by the liquid. (在某物上) 留下污渍

Some foods can stain the teeth, as of course can smoking. 某些食物会使牙齿着色，吸烟当然也会。

3. stainedADJ 沾了污渍的

His clothing was stained with mud. 他的衣服沾了泥。