the continent of Antarctica is as large as the United States of America. 面积相当于一个美国

11. but nothing could have prepared them for the ice world that finally loomed into view.
    当冰雪世界真实的出现在他们眼前的时候 他们感到的是无法用语言形容的震撼
12. Terra incognita, "the unknown land".
    这里就是未知之地 拉丁语中的“Terra Incognita”！
13. At the southernmost extreme of our planet,
    南极洲位于地球的最南边
14. the continent of Antarctica is as large as the United States of America.
    面积相当于一个美国
15. Ninety per cent of all the world's ice is found here.
    这里的冰占全世界的90%
16. This frozen world is largely deserted
    在这个冰封的世界里大部分地方都死气沉沉
17. until the start of spring.
    直到春天来临

来自《行星地球 第一季 第六集 Planet Earth S01E06 冰雪世界》第 14 行