铝铁硅钙壳是土壤表面或其附近的一层硬物。

Duricrust is a hard layer on or near the surface of soil.

youdao

他的靴子上全部都是冰，一条条冰凌硬的象铁一样，他必须用刀把它们都切掉。

The strings on his boots were as hard as steel. He would have to cut them with his knife.

youdao

当他醒来时他发育不全的腿硬的像块铁。伊利·里欧正在吃橄榄。“我们到哪儿了？”提利昂问他。

When he woke his stunted legs were stiff as iron. Illyrio was eating olives. "Where are we?" Tyrion asked him.

youdao