听力文本

This mother is leading her three youngsters to a place where they can find food.
熊妈妈带着三只幼崽去找东西吃。
They need to descend as quickly as possible.
他们得尽快下山。
The debris from an avalanche is clear evidence that this slope is still dangerously unstable.
雪崩肆虐后的残骸清楚地表明这片山坡仍然非常不稳定。
This is not a place to dawdle.
此地不宜久留。
And they have another reason to keep moving.
他们继续前行还有另一个原因。

After five months in the den, these bears are very hungry.
在巢里呆了五个月后，这些灰熊饿得正慌。
Bears that have hibernated throughout these peaks
这片山峰之间冬眠的灰熊，
now all descend to the valleys, where spring comes earliest.
现在都下山了，那里的春天来得更早。
In the Rockies, seasonal change is swift and dramatic.
落基山脉的季节变换迅速而突然。
In just a few days, the slopes turn from white to green.
几天时间内，白雪皑皑的山脉便会绿意盎然。

视频及简介

大山脉是地球上最壮观的景观之一，但它们是不可容忍的居住地，只有少数动物具备在极端海拔生存的条件。山里的动物是世界上最难以捉摸的动物之一，而这部电影为他们神秘的生活提供了独特的和亲密的一瞥。当一个母亲和幼崽被困在两个敌对的雄性之间时，就会看到四只雪豹聚集在一起。当他们与灰熊一起跳舞的时候，它们会与树木一起跳舞，以摩擦它们的冬天的皮毛，并在欧洲白雪皑皑的山峰上翱翔。