stain

英 [steɪn]

美 [steɪn]

v.  (被)玷污; 留下污渍; 给…染色(或着色); 玷污，败坏(名声)
n.  污点; 污渍; 染色剂; 着色剂; (名声上的)污点

过去分词：stained　现在分词：staining　复数：stains　过去式：stained　第三人称单数：stains　

高考CET4CET6考研TOEFLIELTSGRETEM4TEM8

Collins.2 / BNC.5778 / COCA.6708

牛津词典

verb

• （被）玷污；留下污渍
  to leave a mark that is difficult to remove on sth; to be marked in this way
  1. I hope it doesn't stain the carpet.
     希望它别把地毯弄脏。
  2. This carpet stains easily.
     这块地毯不耐脏。
  3. The juice from the berries stained their fingers red.
     浆果汁把他们的手指染成了红色。
• 给…染色（或着色）
  to change the colour of sth using a coloured liquid
  1. to stain wood
     给木料上色
  2. Stain the specimen before looking at it under the microscope.
     先把标本染色，再放到显微镜下观察。
  3. They stained the floors dark brown.
     他们把地板涂成了深棕色。
• 玷污，败坏（名声）
  to damage the opinion that people have of sth
  1. The events had stained the city's reputation unfairly.
     这些事件使该市背上了不应有的恶名。

noun

• 污点；污渍
  a dirty mark on sth, that is difficult to remove
  1. a blood/a coffee/an ink, etc. stain
     血迹、咖啡渍、墨痕等
  2. stubborn stains (= that are very difficult to remove)
     顽固的污渍
  3. How can I get this stain out?
     我怎么才能把这点污渍除去？
  4. The carpet has been treated so that it is stain-resistant (= it does not stain easily) .
     这地毯已经过处理，不易挂污。
• 染色剂；着色剂
  a liquid used for changing the colour of wood or cloth
• （名声上的）污点
  something that damages a person's reputation, so that people think badly of them

柯林斯词典

• N-COUNT 污迹;污渍
  Astainis a mark on something that is difficult to remove.
  1. Remove stains by soaking in a mild solution of bleach.
     用温和的漂白剂浸泡以去除污迹。
  2. ...a black stain.
     黑色污迹
• VERB 在…上留下污迹;玷污;染污
  If a liquidstainssomething, the thing becomes coloured or marked by the liquid.
  1. Some foods can stain 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。

双语例句

• Health professionals also employ a fluorescein stain to detect ulcers of the cornea.
  卫生专业人员还采用了荧光染色检测的角膜溃疡。
• There is a stain on your dress.
  你的衣服上有个污点。
• You can grind, polish, stamp or stain it.
  你可以磨、波兰、邮票或污点。
• The damp rising from the ground caused the walls to stain badly.
  地面上升起的湿气使墙壁的颜色变得很难看。
• The innervation of rat thymus was observed by silver stain method.
  采用改良的银染色法观察了大鼠胸腺神经纤维的分布。
• This trichrome stain of the stomach demonstrates intense blue staining in the submucosa from the collagen deposition.
  胃三色染色显示在黏膜下层胶原纤维沉积处染上深蓝色。
• HE stain, toluidine blue Dyeing and immunohistochemistry test were performed to observe the histomorphology.
  行HE染色、甲苯胺蓝染色及免疫组化进行组织形态学观察。
• I can't get rid of this ink stain on my coat.
  衣服上的这块墨迹洗不掉。
• His hands stain the blood of countless children.
  他的手上沾满了无数儿童的鲜血。
• That wine stain on my shirt has virtually disappeared.
  我衬衫上那一点酒渍差不多已经消失了。