汉语翻译

n. 污染, 污点, 着色剂
vt. 沾染, 染污, 着色
vi. 变脏
【化】 染污
【医】 染剂, 染料; 着色斑, 色素斑

词型变化：

名词:stainer 动词过去式:stained 过去分词:stained 现在分词:staining 第三人称单数:stains 形容词:stainable 

词意辨析：

colour, dye, paint, stain

这些动词均有“着色，染”之意。
colour: 普通用词，含义笼统。可指人工的着色，也可指天然的着色。
dye: 多指使用染料改变物体的颜色，如染织品或头发等。
paint: 指为装饰等目的而把油漆或涂料等物涂于物体表面。
stain: 多指用化学或其它方法使物体着色。

英语解释：

名词 stain:

1. a soiled or discolored appearance
   同义词：discoloration, discolouration
2. (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
3. the state of being covered with unclean things
   同义词：dirt, filth, grime, soil, grease, grunge
4. a symbol of disgrace or infamy–Genesis
   同义词：mark, stigma, brand
5. an act that brings discredit to the person who does it
   同义词：blot, smear, smirch, spot

动词 stain:

1. color with a liquid dye or tint
2. produce or leave stains
3. make dirty or spotty, as by exposure to air; also used metaphorically
   同义词：tarnish, maculate, sully, defile
4. color for microscopic study

例句：

1. How much stain should I buy for the table?
   给这张桌子上色，我得买多少颜料？
2. I can’t get these coffee stains out of the carpet.
   我弄不掉地毯上的咖啡污迹。
3. The little boy stained his fingers with ink.
   小男孩的手指让墨水给染脏了。
4. Such a man is a stain to humanity.
   这种人是人类的耻辱。
5. He stained the family honor.
   他玷污了家族的荣誉。