depends on an extraordinary variety of survival strategies 依靠的是数百万年进化而来的
To live here demands the most extraordinary survival strategies. 生长于斯 必须掌握非凡的生存策略
Creating the most epic survival stories on Earth. 由此创造出了地球上最伟大的生存壮举
...where the battle for survival is at its most intense. 那里的生存之战最为激烈
Their survival depends on their father returning with their next meal. 生存与否取决于它们的父亲 能否带着食物归来
it's the survival of the natural world in all parts of the living planet. 还有这个生命星球上所有生命的存亡
But one animal is so expert at survival in this frozen forest 不过有一种动物是在这个冰雪森林中生存的专家
Out there with nowhere to hide survival is not easy 这里无处可藏,要生存是很困难的事情
Those chicks that do have parents quickly learn survival skills. 而有父母的小企鹅很快就要学习生存的技能