The spoon drops and cools off to harden.

勺子掉下，冷却后变硬。

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。

The chrysalis hardens into a protective case, and over the next few weeks the caterpillar inside transforms into a butterfly!

这些茧会变硬足以保护它们，在接下来几周，毛毛虫在里变成了蝴蝶！

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

但是人造的肪也被称为肪酸，是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，好 (笑) 。

She leaves it for a day to harden and hold its shape on the block.

放置一天，材料会变硬并在木模上保持形状。

It describes cooking bread twice to make it hard.

它描述的是将饪两次使其变硬。

It's covered by a plastic resin and allowed to harden, add polish, trucks and wheels and you're ready to shred like mozzarella.

披萨被一层塑料树覆盖，然后使其变硬，添加上光剂、底板和车轮，然后你就可以滑它上路了。

You have to push the toddy up the side until it becomes hard and powdery.

你必须把棕榈汁推到一边，直到它变硬，变成粉状。

I spilled a bottle of it once and it hardened and I'll never forget that.

有一次我洒了一瓶，它就变硬了，我永远不会忘记那件事。

The glue will tighten the fabric as well as make it stiff.

这种胶水既能使织物变硬，又能使它变紧。

It will take days for the new shell to harden.

新壳需要几天才能变硬。

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。

That is the time when the ground will harden and ice will form overnight.

这段时间地会变硬，冰会在一夜之间形成。

So if you get tired muscles, they go hard and as they're hard they get, what would I say tense and as they get tense they get more tired more easily so you've got like a vicious circle.

如果你肌肉疲劳，那肌肉就会变硬，然后就会绷紧，进一步增加疲劳，所以就一直在恶性循环。

Also, fibrosis starts to develop, and the limbs harden and increase in size.

此外，在第二期，纤维化开始发展，肢体增粗变硬、体积增大。

Add some more water before the concrete hardens.

趁着混凝土变硬前再添加一点水。

Within 1 to 2 days the vesicles begin to crust over and form scabs.

一到两天内水疱会变硬成痂。

You know it looks to me like some sort of cake hardened with the years.

我觉得它看起来像是某种蛋糕，因为年代久远所以变硬了。

As soon as the putty is made, it begins to dry and to turn hard.

腻子一做好了, 就会变干变硬。