/steɪn ||; sten/verb [I,T] to leave a coloured mark that is difficult to remove 染污；沾污 · Don't spill any of that red wine -- it'll stain the carpet. 不要让红酒泼出来，会弄脏地毯的。 stain noun [C]: The blood had left a stain on his shirt. 血在他的衬衫上留下了一处污迹。 ☞picture at blob 见blob插图