I rubbed at the stain on the cloth.
我擦了擦布上的污渍。
A dark red stain was spreading across his shirt.
一个暗红色的污渍正在他的衬衫上渗开。
They stain the mouse's brain tissue, so that different kinds of synapses show up in different colors.
他们对老鼠的脑组织进行染色，这样不同种类的突触就可以呈现不同颜色。
If you do choose to consume beverages that stain, consider using a straw so the liquid is not hitting off your teeth.
如果你真的选择喝那些会在牙齿上留下污渍的饮料，你可以考虑用吸管，这样饮料就不会碰到你的牙齿。
Using social media screening appropriately can help ensure that you don't hire a toxic employee who will cost you money or stain your company's reputation.
适当地使用社交媒体审查有助于确保你不会雇用一个品行恶劣的员工，这种员工可能让你损失金钱或败坏公司的声誉。
For instance, they were used to stain previously invisible microbes and bacteria, allowing researchers to identify such bacilli as tuberculosis, cholera, and anthrax.
例如，用它们来给以前看不见的微生物和细菌染色，从而使研究人员能够识别出结核、霍乱和炭疽等杆菌。
我怎么才能把这点污渍除去？
I hope it doesn't stain the carpet.
希望它别把地毯弄脏。
红葡萄酒会留下污渍。
Using too much water could spread the stain.
用水太多可能使污迹扩散。
He got a tea stain on his coat.
他的外套上有一块茶渍。
Blot stain with vodka then launders in your regular wash.
在污渍上抹点伏特加，然后按正常程序清洗即可。
Do you think you'll be able to get this ink stain out of my pants?
你认为你能把我裤子上的墨迹洗掉吗？
The objective is to investigate the possibility of auramine O fluorescent dyes in specific stain of pathology.
目的是要探讨金胺O荧光染色法应用在病理特殊染色上的可行性。
Microscopically, a gram stain reveals gram-negative diplococci within a neutrophil, typical for Neisseria meningitidis.
在显微镜下，革兰氏染色显示中性粒细胞内有革兰氏阴性双球菌，这是脑膜炎奈瑟氏球菌的典型特征。
The cytoarchitectonic organization of the cervical spinal cord of the tree shrew was studied with Nissl's stain method.
用尼氏染色法研究了树鼩颈脊髓的细胞构筑结构。
这墨水渍擦不掉。
白衣服容易弄脏。
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。
我永远别想把颜料洗掉。
There is still a stain on the shirt.
衬衣上还有个污点呢？
你能把这污迹洗掉吗？
I examine a stain on the tile ceiling.
我研究着空心天花板上的一个污点。
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