stain /steɪn/ CET4 TEM4 ( staining, stained, stains )

• 1. 

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

  例：

  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

  例：

  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. 

  stained ADJ 沾了污渍的

  例：

  His clothing was stained with mud.

  他的衣服沾了泥。