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。

Harry saw is pupils contract to thin slits, saw the skin around his eyes whiten.

哈看到他的瞳孔缩成了两条窄窄的细缝，看见他眼睛周围的皮变白了。

A paste made from marble, wheat and bryony, a poisonous plant, could whiten skin.

一种由大理石、小麦和泻根（一种有毒植物）制成的浆糊以美白皮。

That means paper companies can use bacterial enzymes to whiten paper and lessen the need for chlorine.

这意味着造纸公司能使用细菌酶来漂白纸张，减少对氯的需求。

It's what health trend fanatics claim to be using to detox, brighten skin and whiten their teeth.

这是那些狂热追求健康的人号称它以排毒、提亮色，美白牙齿的东西。

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。

A fine layer of snow covered the yard, dusted the top of my truck, and whitened the road.

院子里覆盖了一层薄雪，我的车顶披上了银装，道路铺上了白色的地毯。

Or if they've had their teeth whitened perhaps.

或者如果他们已经美白了牙齿。

" To whiten your teeth" means to make them whiter.

“美白牙齿”的意思是让牙齿更白。

The early light whitened the window.

清晨的阳光照亮了窗户。

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

这是为了稍微美白你的眼睛。

To whiten whites, you might use a solution of sodium hypo-chlorate, better known as bleach.

要美白白色， 您以使用次氯酸钠溶液， 也就是众所周知的漂白剂。

But if not for weight loss, what about using cider vinegar to whiten your teeth?

但如果不是为了减肥，那么用苹果醋来美白牙齿怎么样？

The little field had been manured with seaweed some weeks before, and the weeds had rotted and whitened on the grass.

这一小块地几期前用海草施过肥，而现在海草在草地上已经腐烂变白。

Powder used to whiten the complexion was made by grinding rice into a fine flour consistency.

- 用于美白色的粉末是通过将大米研磨成细面粉稠度制成的。

In 16th and 17th-century England, women painted their faces with a whitening paste called Venetian ceruse.

在 16 世纪和 17 世纪的英国，女性用一种叫做威尼斯蜡笔的美白膏涂脸。

A richer, better-looking friend who’s getting paid thousands of dollars to tweet about swimsuits and teeth whitening.

一个更富有、更漂亮的朋友，他通过发布关于泳衣和牙齿美白的推文获得了数千美元的报酬。

More specifically, when Black and Asian candidates whiten their names, they're more successful in their job search.

更具体地说， 当黑人和亚裔候选人将自己的名字变白时，他们在求职中会更加成功。

So I'm gonna leave this on for two minutes, during those two minutes I'm gonna whiten again.

所以我要让它保持两分钟，在那两分钟内我会再次变白。

" At the very least" means the minimum that she should do would be to get some teeth whitening.

“至少” 是指她至少应该做的是美白牙齿。