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.

但人造的反式脂肪也被称为反式脂肪酸，在氢化过程中植物油变硬时产生的。

(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。

Every time a lobster or a cockroach is ready to size up, they have to molt, shedding their old skeleton and leaving them soft and vulnerable for days or weeks while they wait for a new outer shell to harden.

每当龙虾或蟑螂准备变大时，它们都必须蜕皮，让它们的旧骨骼脱落，这让它们在等待新外壳变硬的几或几周内变得柔软脆弱。

Frenchman Francois Boullier invented the grater way back in the 1540s, as a way of using up cheese that had gone hard.It was an instant hit You'd be 106 if you were doing a souffle!

法国人在1540年代发明刨丝器来吃已经变硬的奶酪！当时立刻大受欢迎等你刨完了都100岁了！

These can be lifted off by pouring a liquid into them, such as plaster, molten alloys, or silicon rubber, which can later harden and create an impression of the print.

把石膏、熔化的合金或硅橡胶等液体倒进去，这些液体后来会变硬，形成指纹的图案。

Now the genius enslaved workers would then peel off the wax, soak the hardened rinds in water to soften, create a filling made from other leftover table scraps.

被奴役的才工人们会剥去蜡，把变硬的外皮泡在水里软化，用其他吃剩的桌上剩菜做成馅料。

Then comes the hard work of gathering fallen leaves and work to clean up flower beds and plant garlic before the ground gets too hard.

然后落叶、清理花坛、在土地变硬之前种大蒜的一系列艰苦工作。

As a colleague said, whenever consensus was forming like ice hardening on a lake, he would do his best to chip away at it.

正如一位同事所说，每当共识形成时，就像湖面上的冰变硬了一样，他就会尽自己最大的努力去打破它。

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。

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。

It becomes hard and takes a definite shape.

它变硬并形成一定的形状。

You know, the chocolate that hardens over ice cream.

你知道，在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。