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

由于质吸水，湿润厚质看起来是白色。

All hair is made of the protein keratin.

所有毛发都由蛋白构成。

Increased keratin production is another one.

另一个是蛋白增多。

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

从细胞面看，口腔黏膜白斑典型表现是增厚质。

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

有鲸会产生鲸蜡、油脂和蛋白，组成被称为“耳塞”东西。

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

鳞是由蛋白组成，和人类头发和指甲是一样东西。

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

但是巴雅达龙脊椎和我们今天动物是由同样蛋白材料制成。

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

这种鳞是由蛋白组成, 和我们指甲是相同成分。

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

锋利端表面覆盖质，猫动物爪子也是由同种物质构成。

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

细胞在向上移动过程中，会被填充一种硬蛋白质，叫做蛋白。

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

它还可以分解皮肤细胞和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，蜂蜡和蛋白都是如此，蛋白是在动物细胞中发现蛋白质。

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

但我们人类手指和脚趾上只有很薄一蛋白。

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

雪上加霜是，那个体甲上覆盖着保护性质鞘。

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

睡眠不足会降低你身体产生蛋白能力，而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.

头发是由蛋白构成，蛋白也是是构成指甲蛋白质… 再含有一些额外成分。

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

这些巨大保护鳞是由蛋白制成，成分就像人类指甲和头发。

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

而这种设备产生热量会削弱或者破坏一种负责头发形状名为朊蛋白质，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.

它们是由一种叫做蛋白材料组成，与你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.

马蹄是由很多厚厚蛋白拼接而成，这使得它们非常坚固。