1. 污点，污迹，瑕疵，污垢，污斑，渍子
2. 色斑，斑痕
3. 着色剂，着色物，染色剂，具体指颜料、染料等
4. 变色
5. 锈
6. 色素
7. 耻辱
8. 污染

1. 变（肮）脏，（被）染污，（被）沾污，弄脏，变污，沾染
2. 把染色以便于显微镜下观察，在（玻璃、生物切片等上面）染色
3. （给）染色，给...着色，染满，印上颜色
4. 玷污（名声），败坏（名声）
5. 生锈
6. 褪色
7. 污辱

1. vt. & vi. (使)染色 (cause to) colour wood, fabrics, etc. with a substance that penetrates the material
2. vi. 褪色; 变污 become discoloured or soiled

1. a soiled or discolored appearance;

   "the wine left a dark stain"
   

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

4. a symbol of disgrace or infamy;

   "And the Lord set a mark upon Cain"
   

5. an act that brings discredit to the person who does it;

   "he made a huge blot on his copybook"
   

1. color with a liquid dye or tint;

   "stain this table a beautiful walnut color"
   "people knew how to stain glass a beautiful blue in the middle ages"
   

2. produce or leave stains;

   "Red wine stains the table cloth"
   

3. make dirty or spotty, as by exposure to air; also used metaphorically;

   "The silver was tarnished by the long exposure to the air"
   "Her reputation was sullied after the affair with a married man"
   

4. color for microscopic study;

   "The laboratory worker dyed the specimen"
   

1.污迹;污渍
Astain is a mark on something that is difficult to remove.

stain什么意思

e.g. Remove stains by soaking in a mild solution of bleach.
用温和的漂白剂浸泡以去除污迹。
e.g. ...a blackstain.
黑色污迹

2.在…上留下污迹;玷污;染污
If a liquidstains something, the thing becomes coloured or marked by the liquid.

e.g. Some foods canstain the teeth, as of course can smoking.
某些食物会在牙齿上留下污渍，吸烟当然也会。

1. 着色剂：这道涂装过程须对照标准色板进行修色,修色可全面喷涂,亦可按实际状况作局部加强修色;若用酒精性着色剂来修色,修色完成后,还可以用抹布或钢丝绒来作局部的修补,使其加强阴影对比增加立体感,若用着色剂(stain)来修色则无法进行修

2. stain的近义词

2. 污渍：他自认为是科学家. 况且,他不喜欢一个女子长期为一群追求者所包围. 男人---除了他自己之外---都是龌龊的,和女子处久了必会在那女子心身上留下污渍(stain)这是他不能忍受的. 他的品位,要求无垢的少女.

3. 染料：其实对于硬木作品来说,不应该上漆(paint), 而是要用染料(stain)或不染,再上几层清漆(PU=Polyurethane)或其他保护层,可以保持漂亮的木纹.