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

利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肤变白了。

" However, mice lacking immune cells still show premature hair graying under stress."

“然而，缺乏免疫细胞的老鼠在压力仍会出现毛发过早变白的现象。”

It's caused by a rare genetic mutation in bengal tigers that gives them white fur.

这是由孟加拉虎的一种罕见的基因突变引起的，这种突变使它们的毛色变白。

" How did you manage to become white, Diggory? " Thomasin asked.

“迪格利，你是怎样变白的？”托玛茜问道。

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压得变白的鼻子。

Look! It even made my teeth whiter, huh?

看！还让我的牙变白了！

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。

A senior investigator on the study, Mayumi Ito, said: " It is the loss of chameleon-like function in melanocyte stem cells that may be responsible for greying and loss of hair colour."

该研究的高级研究员伊藤真由美（音译）表示：“黑色素干细胞变色功能的丧失可能是导致头发变白和褪色的原因。”

Christine stopped and stared at him. Her face went white. 'What man? ' she whispered. 'There was no man in my dressing-room on Tuesday night. '

克丽斯廷凝视着他。她的脸变白了。“什么男人？”她低语道，“星期二晚上没有男人在我的化妆室里。”

No, yours is turning white. - White? It's... what?

你的头发变白了 - 变白了？ 什么?

Coral bleaching is the process by which coral becomes white because of high water temperatures or pollution.

珊瑚白化指的是珊瑚因高水温或污染而变白的过程。

Bob's face went white. For a second or two he thought that Scrooge had gone crazy.

鲍勃的脸变白了。一时间他想斯克罗吉可能是疯了。

That's when the water turns white.

那就是水变白的时候。

" If so, it presents a potential pathway for reversing or preventing the greying of human hair by helping jammed cells to move again between developing hair follicle compartments."

“如果是这样，它就能帮助堵塞的细胞在发育中的毛囊室之间再次移动，提供逆转或防止人类头发变白的潜在途径。”

Jackie's face went white. 'It's not true! What about Diane? You found the empty bottle in her bag! '

杰基的脸变白了。“这不是真的！黛安娜呢？你们在她包里发现了空瓶子！”

The blanching process did not cease in her, and her lips now became as white as her face.

她的脸继续在一点点变白，现在她的嘴唇也变得和她的脸一样白了。

You can see that my hair is turning grey.

你可以看到我的头发变白了。

Mrs. Vane winced and put her thin, bismuth-whitened hands on her daughter's head.

范恩太太皱了皱眉，把她那涂了铋盐而变白了的瘦手放在女儿头上。

I got it white I had white hair for years.

我变白了，我的头发已经白了很多年了。

My God, my hair went gray during that thing.

天哪，那件事让我的头发变白了。