Cathy Strange buys international cheeses for the food seller Whole Foods. She said the whitening is done because most mozzarella made in the U.S comes from cow's milk, which can have a yellow color.

凯西·斯特兰奇为食品销售商全食公司购买国际奶酪。她说，之所以要增白是因为大多数美国产的马苏里拉都由普通牛奶制成，其牛奶呈黄色。

We're gonna look for cavities, gum disease, talk about things like whitening our teeth.

我们要检查龋齿、牙疾病，还要谈谈美白牙齿之的事情。

In many cases, the people performing the teeth whitening were untrained and unqualified.

在很多案例中，操作牙齿美白手术的人都未经过培训且没有手术资格。

We could see the whitening of the nose where it was pressed against the glass.

我们可以看见他那在玻璃上被压得变白的鼻子。

The new toothpaste, called Elixir, comes in three varieties: a formula for whitening teeth, one for gum and enamel care and a " detox" version which, it is claimed, removes impurities from the mouth.

高露洁的新款牙膏名叫Elixir，配方有型，一用于美白牙齿，一用于牙和牙釉质的护理，还有一是“排毒”版，可以去除口腔污物。

When he awakened he was cold and sick. There was no sun. The gray of earth and sky had become deeper. A cold wind was blowing and snow was whitening the hilltops.

醒来时，他又冷又不舒服。天上没有太阳，灰蒙蒙的大地和天空变得愈来愈阴沉。一阵刺骨的寒风刮了起来，初雪铺白了山顶。

The winner of the medical award was Sun Qi, a postdoctoral fellow at New York University's Grossman School of Medicine, and her team, who spent two years completing a " hair plucking experiment" to reveal the mechanism of hair whitening.

医学奖的获得者是纽约大学格罗斯曼医学院的博士后孙祺和她的团队，他们花了两年时间完成了一项“拔毛实验”，以揭示头发变白的机制。

Inside, she encounters multiple aisles of countless brands, catering to every possible preference: whitening, herbal, sensitivity relief, natural, fluoride-free, charcoal-infused, and even unicorn-sparkled gel that tastes like bubblegum.

在超市里，她会看到无数品牌的多个货架，迎合各可能的偏好：美白、草本、缓解敏感、天然、无氟、含活性炭，甚至还有独角兽闪光凝胶，味道像泡泡糖。

FaceTune says its most frequently used tools are teeth whitening, skin smoothing and reshaping the face on facial features, such as slimming a jawline or nose.

FaceTune表示，其最常用的工具是牙齿美白、磨皮和修脸型及五官，比如瘦下巴和鼻子。

She said the whitening is done because most mozzarella made in the U.S comes from cow's milk, which can have a yellow color.

她说，之所以要增白是因为大多数美国产的马苏里拉都由普通牛奶制成，而这牛奶呈黄色。

Skin whitening products often use high concentration of hydroquinone which can cause skin problems or mix with other bleaching chemicals become toxic.

皮肤美白产品经常使用高浓度的对苯二酚，这会导致皮肤问题，或与其他漂白化学品混合，从而产生毒性。

Keenan chased down the chompers to investigate what whitening strips do to a tooth's chemical composition.

基南追踪这些牙齿，以研究美白牙贴会对牙齿的化学成分产生何影响。

The LGA discovered that some of the whitening cosmetics they tested contained banned ingredients and were thus illegal.

LGA发现他们检测的一些美白化妆品中含有禁用成分，因此是违法的。

Some of those whitening products have ingredients that can thin the skin or cause scarring.

一些美白产品含有可能导致皮肤变薄或引起疤痕的成分。

It's for kind of whitening your under eyes a little bit.

这是为了稍微美白你的眼睛。

They also make retainers and custom whitening trays.

他们还制作保持器和定制美白托盘。

I already bought that Pola, P-O-L-A, like that infrared teeth whitening thing.

我已经买了那个Pola，就是那个P-O-L-A，红外线牙齿美白产品。

A lot of supplement companies and teeth whitening companies, whatever's available.

许多补充剂公司和牙齿美白公司，只要有机会就抓住。

So she stuck the teeth in styrofoam, applied the whitening strips per manufacturer instructions, and added some artificial saliva: a liquid mixture at the pH and with salts you'd find in regular spit.

因此，她将牙齿粘在聚苯乙烯泡沫塑料中， 按照制造商的说明涂上美白条，并添加了一些人工唾液：一具有 pH 值的液体混合物， 含有普通唾液中的盐分。

" Teeth whitening" is when you put something on your teeth to make them whiter, especially if your teeth perhaps are yellow or gray it makes your teeth look a little better.

“牙齿美白” 就是你在牙齿上涂一些东西， 让它们变得更白，特别是如果你的牙齿可能是黄色或灰色的话， 这样可以让你的牙齿看起来好一点。