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。

Immaculate means "without stain."

无原罪就是“无污点“的意思。

It will remain an indelible stain in his memory.

这将成为他记忆中一个不可磨灭的污点。

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。

If you happen to spill some gas or oil on the floor, newspaper will help absorb the spill and can prevent a permanent stain on concrete .

如果你碰巧将一些汽油或机油洒在地板上，报纸将助于吸收倾洒物并且可以防止混凝土永久染色。

When travelling abroad, people should be extremely careful of their actions as their misbehaviours will stain their motherland's reputation.

出国旅游时，人们应该多加留意自己的行为，因为他们不恰当的行为会玷污他们祖国的声誉。

If we look forward to the end of the term, we'll read The Human Stain, which is about a man, Coleman Silk, who tries to and succeeds in passing as Jewish.

如果我们期待一下期末，我们将会读到《人性的污点》，写一个叫 Coleman Silk 的男人努力并成功地假装成犹太人。

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。

How can I get this stain out?

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。

Red wine leaves a stain.

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。

Some foods can stain the teeth, as of course can smoking.

某些食物会使牙齿着色，吸烟当然也会。

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？

Now if I can stain in some way, if I can somehow label the DNA fragments that I'm interested in, I could find out where those fragments are on this gel.

现在如果我有染色的某种方法，如果玩可以以某种方式对我感兴趣的DNA片段进行标记，我就能知道这些片段在这凝胶板上的位置。

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。

This ink stain won't rub out.

这墨水渍擦不掉。

White clothes stain easily.

白衣服容易弄脏。

It will remain an indelible stain on his memory.

这将成为他记忆中一个不可磨灭的污点。

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。

I'll never get the stain out.

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？

Can you get this stain out?

你能把这污迹洗掉吗？