but they are still so dizzyingly steep 但却异常险峻

10. has shaped some of the toughest animals on the planet.
    塑造出了这个星球上最顽强的动物
11. The sunbaked mountains of the Arabian Peninsula.
    阿拉伯半岛上的山地被阳光炙烤得发烫
12. They may only be a fraction of the height of the Himalayas,
    它们的海拔也许只是喜马拉雅山脉的零头
13. but they are still so dizzyingly steep
    但却异常险峻
14. that in many places it's almost impossible to get a foothold.
    很多地方几乎无法立足
15. Yet Nubian ibex have made this their home.
    而努比亚羱羊还是栖息于此
16. The ibex choose the steepest cliffs to raise their young,
    羱羊选择在最陡峭的绝壁上养育幼仔

来自《行星地球 第二季 第二集 Planet Earth S02E02 山脉》第 13 行