This process can be compared to the way the skin hardens in response to constant rubbing or pressure.

这个过程可以类比为皮肤因为持续摩擦或压力而方式。

He adds milk powder because it adds, it's dehydrated, so it acts more as a solid.

他加入奶粉，因为这是脱水，就起到面团效果。

(laugh) It doesn't change. - It never changes. - It never gets hard, alright. (laugh)

它。-永远 - 永远面包，好 (笑) 。

Bugs ran across the tables. The food was terrible: hard bread and gray-colored meat.

桌子上都是臭虫。食物很糟糕：面包和灰色肉。

Kilns are ovens that bake clay until it hardens.

窑炉是烘烤粘土直至烤箱。

You know, the chocolate that hardens over ice cream.

你知，在冰淇淋上巧克力。

The tar; black, sticky stuff that just dries and goes hard - that's tar.

焦油;干黑色粘性物质——这就是焦油。

But don't do it because you're gonna leave your hard heart.

但能因此而让你心。

The girl emptied the stiffened mould into my hand, and I devoured it ravenously.

女孩把模具倒在我手里，我狼吞虎咽地吃了起来。

I would even eat this whole- all of them even though they're cold and hardened.

我什至吃掉这整个——所有这些，即使它们是冷和。

It was shaped like a circular cone, made of earthen bricks made hard in a fire.

它形状像一个圆锥体，由在火中土砖制成。

' Her voice had hardened, her face closed.

’她声音了，她脸紧闭着。

But artificial trans fats also called trans fatty acids are created when vegetable oil hardens during hydrogenation.

但是人造反式脂肪也被称为反式脂肪酸，是在氢化过程中植物油时产生。

Nancy was forced to practice karate chops on a wooden desk in order to harden her hands.

南希被迫在一张木桌上练习空手，以使她手。

It becomes hard and takes a definite shape.

它并形成一定形状。

I'll repeat it until my tongue stiffens.

我重复它直到我舌头。

His voice hardened now, but it was still quiet.

现在他声音了， 但还是很平静。

First, the collagen in our folds stiffens and the surrounding elastin fibers atrophy and decay.

首先， 我们褶皱中胶原蛋白，周围弹性蛋白纤维萎缩和腐烂。

The blood rush causes hardness and the rest of the body tenses.

血液涌动导致身体， 身体其他部分得紧张。

They put two and two together and I saw their faces harden.

他们把两个和两个放在一起，我看到他们脸了。