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。

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, 后经历融化再冻结的过程于是有了陈非常厚的大块碎冰。

Obviously they have been caused by someone who has very carelessly scraped round the edges of the sole in order to remove crusted mud from it.

很明显，这些裂痕是由于有人为了去掉沾在鞋跟的泥疙瘩，粗心大意地顺着鞋跟刮泥时造成的。

I'll be damned if I'm gonna pitch to a room full of people who are all wearing Armani and Vera Wang while I'm standing there with 2-year-old breast milk crusted on my lapel.

如果我穿着领子上的母奶已经结壳两的衣服向满屋子穿着Armani和Vera Wang的人推销那我就没戏了。

" What has your southron god to do with snow" ? demanded Artos Flint. His black beard was crusted with ice. " This is the wroth of the old gods come upon us. It is them we should appease" .

" 南方佬的神怎能奈何雪？" 阿托斯·菲林特质问，他的黑胡须裹了一层冰。" 这是旧神降下的神怒，我们应当平息旧神怒。"