Since keratin absorbs water, a thick keratin layer looks white when it's wet.

于角质吸水，湿润的厚角质层看起来是白色的。

All hair is made of the protein keratin.

所有毛发都角蛋白构成。

Increased keratin production is another one.

另一个是角蛋白增多。

At the cellular level, leukoplakia typically shows a thickened keratin layer.

从胞学层面看，口腔黏膜白斑的典型表现是增厚的角质层。

Some whales build up waxes, along with lipids and keratin protein into what's called earplugs.

有的鲸会产生鲸蜡、油脂和角蛋白，组成被称为“耳塞”的东西。

The scales are made of keratin, the same stuff as human hair and fingernails.

鳞是角蛋白组成的，和人类的头发和指甲是一样的东西。

But Bajadasaurus spine's made of the same keratin material as our horned animals of today.

但是巴雅达龙的脊椎和我们今天的角动物是同样的角蛋白材料制成的。

The scales are made of keratin, which is the same ingredient that's in our nails.

这种鳞是角蛋白组成, 和我们的指甲是相同的成分。

The cutting edge is sheathed in keratin, the same substance that forms a cat's claw.

锋利端表面覆盖角质层，猫科动物的爪子也是同种物质构成。

When these cells move upwards, they're filled with a hardened protein called keratin.

胞在向上移动过程中，会被填充一种硬的蛋白质，叫做角蛋白。

It can also break down skin cells and keratin to help unclog the pores.

它还可以分解皮肤胞和角蛋白以保证毛孔畅通。

Many beauty products include honey, beeswax and keratin which is the protein found in animal cells.

许多美容产品包括蜂蜜，蜂蜡和角蛋白都是如此，角蛋白是在动物胞中发现的蛋白质。

But us humans only have a very thin layer of keratin on our fingers and toes.

但我们人类的手指和脚趾上只有很薄的一层角蛋白。

And to make matters worse, that body amour was covered in a protective sheath of keratin.

雪上加霜的是，那个体甲上覆盖着保护性的角质鞘。

Poor sleep can lower your body's ability to produce keratin, which is essential for healthy hair.

睡眠不足会降低你的身体产生角蛋白的能力，而角蛋白对头发健康至关重要。

Hair is made of keratin, the same protein that forms your fingernails… with a few extra ingredients.

头发是角蛋白构成的，角蛋白也是是构成指甲的蛋白质… 再含有一些额外的成分。

These large protective scales are made of keratin, the same thing human nails and hair are made from.

这些巨大的保护鳞是角蛋白制成的，成分就像人类的指甲和头发。

The heat weakens or breaks a protein called keratin, responsible for the hair's shape, and temporarily changes it.

而这种设备产生的热量会削弱或者破坏一种负责头发形状名为角朊的蛋白质，而且短期内对它进行改变。

They're made of a material called keratin, the same stuff that your hair and nails are made of.

它们是一种叫做角蛋白的材料组成的，与你的头发和指甲组成成分相同。

Horse hooves are made of lots of thick layers of keratin put together that make them strong.

马蹄是很多厚厚的角蛋白层拼接而成的，这使得它们非常坚固。