Shoes made of genuine leather are more expensive, but are more comfortable and more durable.

用真皮做的鞋子比较贵，但更舒服，也更耐穿。

They are all leather. How do they feel?

都是真皮的。您觉得怎么样？

Then it forms dense irregular tissue, whose fibers are thicker and arranged erratically — it's found wherever tension might be exerted in lots of different directions, like the leathery dermis underlying your skin.

然后它形成致密的不规则组，这些组的纤维更厚，排列不规则——任何可能向不同方向施加张力的地方都能找到它，比如皮肤下面的皮革真皮。

Tylenol also seems to decrease areas of the brain responsible for aggression, which may help mitigate, say, any desire to carve your name into a leather seat.

泰诺似乎还能减少大脑中负责攻击性的区域，这可能有助于缓解想的名字刻在真皮座椅上的欲望。

Skin effectively seals off your insides and also absorbs pressure and shock with flexible collagen that makes up most of its dermal layer.

皮肤有效的将你的身体组保持在内部，还能够承受外界的压力和冲击。这得益于真皮层的主要组成：具有韧性的胶原蛋白。

And that includes molecules in the dermis like elastin and collagen, creating tangled clumps or breaking them down.

而这些分子又包括像真皮中的弹性蛋白和胶原一类的物质，造成结束或分解。

These microbes, which include bacteria and fungi, thrive in the sebum, an oily substance that's secreted onto the skin's surface by sebaceous glands nestled inside the dermis.

包括细菌和真菌的这些微生物，在皮脂内十分活跃，也就是由紧贴在真皮内的皮脂腺分泌到皮肤表面的油性物质。

Say you're in the room where you're, like, practicing thumb calisthenics — which probably isn't a thing — but the room is a little chilly, so the blood feeding your dermis loses a lot of heat to that cold air.

假设你在一个房间里，在练习拇指健美操——这可能不是个真事儿——但是房间有点冷，所以供给你真皮的血液在冷空气中损失了很多热量。

But many dermatologists think that most of these anti-aging peptides are just too large to squeeze in between cells in the epidermis.

但很多皮肤医生还是认为这些抗老肽实在太大，很难它们挤到真皮层的细胞间。

With less structural support from the dermis, your skin starts to look thinner and build up wrinkles.

你的皮肤也因真皮层功能的衰退显得更薄，并且产生皱纹。

Some of the ink particles are also suspended in the gel-like matrix of the dermis, while others are engulfed by dermal cells called fibroblasts.

有些颜料颗粒悬浮在胶质的真皮结构中，而其它颜料颗粒被叫做成纤维细胞的真皮细胞吞噬。

You can buy a belt or a purse that is made of " real leather."

你可以购买由" real leather" （真皮）制成的腰带或钱包。

I mean, I'm a big fan of leather cases.

我是真皮保护套的忠实粉丝。

But if you just know that the skin has an epidermis, an outermost layer, a dermis, or sometimes referred to as the dermal layer, which is below it, And then it has fat below that and that the vasculature, right?

但如果你知道皮肤有表皮，即最外层，还有真皮，有时称为真皮层，位于表皮之下，再往下是脂肪层， 并且血管系统， 对吧？ 血管和毛细血管位于真皮层的位置。

(Laughter) Micropigmentation is the act of implanting pigment into the dermis, which is the definition of a tattoo, but it sounds nicer, doesn't it, a bit less scary.

（笑声） 微色素沉着是将色素植入真皮的行为，这是纹身的定义， 但它听起来更好， 不是吗，不那么可怕。

But what you are really seeing  is millions of your Macrophages, sitting in your dermis, patiently holding  the ink in place, protecting your body from poison.

但你真正看到的是数以百万计的巨噬细胞，它们坐在你的真皮中， 耐心地固定着文身墨水，保护你的身体免受毒害。

After 1929, American surgeons Vilray Blair and James Brown improve split thickness graft techniques to enable grafts of varying dermal thickness.

1929年后，美国外科医生Vilray Blair和James Brown改进了分层皮片移植技术，使得可以进行不同真皮厚度的移植。

Real suede wouldn't have gone up so fast.

真皮不会烧的这么快的。

I saw this amazing leather sofa today.

我今天看中一套很棒的真皮沙发。

It is gradually absorbed and replaced by the new dermis.

它逐渐被吸收并被新的真皮层所取代。