Cold(ing) crack

crack [kræk]

vt. 破裂，打开;（使…）开裂;说（笑话）;开瓶; vi. 断裂，折断;碎裂声，爆裂声;镜子破裂了;失去控制，衰退; n. 裂缝;试图;缝隙;（可听到响声的）重击; adj. 训练有素的;技艺高超的;优秀的;一流的;

That's understandable.

那是可以理解的。

I'm a student.

我是学生。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。