听力文本

At high altitudes, the monsoon rains fall as snow.
高海拔地区的季风雨变成了雪
Here, at the far eastern end of the range in China,
这里是中国境内的山脉东部起点
one inhabitant endures the bitter winters out in the open.
有一位居民在户外忍受着严冬的寒冷
Most other bears would be sleeping underground by now
现在其它大部分熊都已躲在地下睡大觉
but the giant panda can't fatten up enough to hibernate.
可是大熊猫没能储备足够的脂肪冬眠
Its food, bamboo, on which it totally relies,
它完全依赖竹子为生
has so little nutritional value that it can't build up a store of fat like other bears.
但是竹叶没有太多营养价值，所以它无法像别的熊那样积累起脂肪

Most of the creatures here move up or down the slopes with the seasons,
这里的大部分动物都随着季节变化上下迁移
but the panda is held captive by its diet, for the kind of bamboo it eats only grows at this altitude.
只有大熊猫因为食物始终逗留此地，它吃的这种竹子只生长在这一海拔地区
But these forests hold fewer challenges for the more mobile.
不过这些森林对于更灵活的动物来说却没有什么挑战性
The golden snub-nosed monkey, like the giant panda, lives only in China.
和大熊猫一样，川金丝猴只生活在中国境内
Their thick fur allows them to survive at greater altitudes than any other monkey.
它们有厚实的毛发，所以能比其它猴类更能适应高海拔气候
And when the cold bites, they have these upper slopes to themselves.
每当严寒袭来，这些山坡就成了它们的天下。

词汇解析

1.in the open 户外
Better if they had been born in the open pasture and suckled by a wolf, that they might have seen with clearer eyes what field they were called to labor in.
如果他们出生在野外的草地由狼喂养会更好些，这样他们就能清楚的看到他们是要在什么样的土地上劳作。

2.move up or down 上下移动
Typically, about three times as many people move up or down as the net number of people who move out of poverty.
一般来说，不断上下移动的人口大约为脱离贫困的净人口的三倍。

视频及简介

欢迎来到极端的、岩石与冰雪的世界。我们将踏上最雄伟的山脉的旅程——从于低洼处隆起的出于形成期的山脉直道珠穆朗玛峰的顶部，发现某些神秘的生物迎接高山生活的挑战而诞生，其中，我们还将看到一些最罕见的现象如熔岩湖。