And once it thaws, that collapsing ground can drastically alter the vast expanse of the Arctic's tundra and boreal forest, and it can also threaten the homes and lifeways of Arctic residents.

久冻土开始融化，坍塌土地会彻底改变北极地区大片苔原和北部针叶林，这也胁着北极地区居民家园和生活方式。

Now, a couple of words borrowed  from indigenous sources to describe native crops would end up becoming  particularly important to colonial lifeways: " maize" and " tobacco." Both came from an  extinct Arawakan language known as Taino.

现在，些从本土来源借用来描述本地作物词在殖民地生活中变得尤为重要：“玉米”和“烟草” 。 这两个词都来自种已灭绝阿拉瓦克语——泰诺语。