At this crucial time for the natural world, 恰逢自然世界这一关键时刻

8. But that's not all.
   而且不只这些
9. The planet has changed, too.
   我们的星球也在变化
10. Never have those wildernesses been as fragile and as precious as they are today.
    大自然从未像现在一样 脆弱而又珍贵
11. At this crucial time for the natural world,
    恰逢自然世界这一关键时刻
12. we will journey to every corner of the globe
    我们将再次启航 踏遍全球
13. to explore the greatest treasures of our living planet
    去探索这颗星球上最宝贵的财富
14. and reveal the extreme lengths animals go to to survive.
    去揭秘动物们为了生存 突破的种种极限

来自《行星地球 第二季 第一集 Planet Earth S02E01 岛屿》第 11 行