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

它不会变。-永远不会 - 永远不会变硬的面包，好 (笑) 。

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

但不能因此而让你的心变硬。

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变硬的方式。

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

但的反式脂肪也被称为反式脂肪酸，氢化过程中植物油变硬时产生的。

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

他加入奶粉，因为这脱水的，就起到面团变硬的效果。

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

南希被张木桌上练习空手道，以使她的手变硬。

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

桌子上都臭虫。食物很糟糕：变硬的面包和灰色的肉。

It becomes hard and takes a definite shape.

它变硬并形成定的形状。

I'll repeat it until my tongue stiffens.

我会重复它直到我的舌头变硬。

You know, the chocolate that hardens over ice cream.

你知道，冰淇淋上变硬的巧克力。

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

血液涌动导致身体变硬， 身体的其他部分变得紧张。

And that mineralization procedure is what strengthens the bone, lends it the hardness.

而那矿化过程就使骨头变强、变硬的关键。

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

焦油;变干变硬的黑色粘性物质——这就焦油。

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

我甚至会吃这些——全部吃掉，尽管它们冷的而且变硬了。

So, in the long run, desensitizing toothpaste probably won’t toughen up your teeth.

所以，从长远来看， 脱敏牙膏可能不会让你的牙齿变硬。

And those things make your heart hard.

这些东西会让你的心变硬。

Do not make the children work, for it toughens the meat.

不要让孩子干活，那样会把肉变硬的。

His voice hardened now, but it was still quiet.

现他的声音变硬了， 但还很平静。

Kilns are ovens that bake clay until it hardens.

窑炉烘烤粘土直至变硬的烤箱。

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

它的形状像个圆锥体，由火中变硬的土砖制成。