And soon these spheres hardened into military alliances.

很快这些领域就 变成了军事联盟。

And that hardens the healing agent into a solid.

并且会固化修复因子成为固体。

Enamel-building cells secrete a mixture of chemicals that hardens into mineral crystals.

造釉细胞分泌一种化学混合物，然后硬化变成矿物质结晶。

Yes, there she was, with the look of love, grief, and pity hardened into her face.

是的，她就在那儿，脸上带着爱、悲伤和怜悯的表情。

As they're pushed, the skin cells change into a protein called keratin that flattens and hardens into a nail.

当它们被推出去时，皮肤细胞会变成一种叫做角蛋白的蛋白质，这种蛋白质会变平变硬成为指甲。

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，毛毛虫在里面变成了蝴蝶！

By the time the hardening cells get long enough to poke out of your skin, they've hardened into a hair.

当硬化的细胞长到足以从皮肤中刺出时，它们就会硬化成为头发。

The man's face hardened into instant enmity.

男人的脸色顿时凝重成敌意。

This device uses light to selectively harden resin into a desired structure.

该设备使用光选择性地将树脂硬化成所需的结构。

Whitewash on the forehead hardens the brain into a state of obstinacy perhaps.

额头上的粉饰也许使大脑变硬成固执状态。