One is leave this overnight to crust over.

一种是让它在夜间凝固成壳。

This fluid then dries and forms crusts over the skin surface.

这些液体会在皮肤表面变干并结痂。

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。

Sometimes, however, the top layer of magma can cool, and form ahard crust over the rest of the molten rock.

然而，有时顶层的岩浆会冷却，并在外部形成一个坚硬的壳。

All of this was scoured out by the lava and then the roof area was the top that crusted over.

这个由熔岩冲击而成，顶部就是熔岩冷结后变硬所成。

9 billion years ago, the Earth cooled, forming a thick silicate crust over its mantle, an iron and nickel core.

39亿年前地球开始冷却，形成坚硬的硅酸盐外壳覆盖在铁镍内核之外。

As seawater comes in contact with these surfaces, metals dissolved within it precipitate out to form a crust over the rocks.

当海水与这些表面接触时，溶解在其中的金属会沉淀出来，在岩石上形成外壳。

Some rivers in the region have frozen, then melted then refrozen and crusted over with large thick chunks of crushed ice.

在该地区的一些河流已经冻结, 之后经历融化再冻结的过程于是有了陈年非常厚的大块碎冰。

Loosely wrap your crust over your rolling pin, then simply unwrap it over your pie dish.

将面包皮松散地包在擀面杖上，然后简单地在馅饼盘上打开它。

Melting snow or rain will freeze when the temperature goes negative again, forming a crust of ice over the ground, locking the vegetation away from the browsing reindeer.

当温度再次变为负值时，融化的雪或雨就会结冰，在地面上形成冰壳，使植被远离正在觅食的驯鹿。

So these wings were able to sit over time, and we can see that they have developed a crust over them, which is gonna crisp up really, really nicely.

所以这些翅膀能够随着时间的推移而坐下来，我们可以看到它们上面已经形成了一层外壳，它会非常非常好地变脆。

Baking heat creates a hard clay crust over a patch of ground; water runs off of it, forming a more welcoming zone at its edges that grasses bolster as they grow and cool the soil.

烘烤的热量会在一块地面上形成坚硬的粘土外壳；水从它流走，在它的边缘形成一个更受欢迎的区域， 草在生长和冷却土壤时支撑着它。

Well; it is absolutely too late for dinner! Turtle, salmon, tautog, woodcock, boiled turkey, South-Down mutton, pig, roast-beef, have vanished, or exist only in fragments, with lukewarm potatoes, and gravies crusted over with cold fat.

出色地;晚饭绝对来不及了！海龟、鲑鱼、tautog、山鹬、煮火鸡、南下羊肉、猪、烤牛肉，已经消失，或者只存在于碎片中，配上温热的土豆和裹着冷脂肪的肉汁。