英语听力：自然百科 冰冻星球 前往地球尽头(8)（在线收听）

A colossal iceberg is born. This single block of ice, many hundreds of meters across, would toss the biggest mankind buildings. Every year, tens of thousands of icebergs are spooned by Greenland's glaciers and the number is steady increasing as the climate continues the warm. The breakup of the bergs fails the base of the Arctic with exquisite ice sculptures. It also releases great volume of cold fresh water into the sea. Greenland's melt water influences the course of the ocean currents which in turn has an effect on the weather around the world.

巨大的冰山形成。这单一的冰有数百米宽,甚至和最大的人类建筑相媲美。每年成千上万的冰山由格陵兰的冰川及持续稳步变暖的气候形成。冰川融化分裂,在北极四处可见精湛的天然冰雕。大量的冷水被融化流进大海。格陵兰岛融水影响洋流,反过来作用于世界的天气。

The Arctic is closer to home than many of us realize. It can conclude the northern most parts of the three continents on which most of us live, Europa, Asia and North America.

北极比许多人所意识到的离家更近。它可以终结北部的大部分地区,即三个大洲,我们大多数人生活的欧洲、亚洲和北美洲。

The first barren land we reach our journey south is a bleak treeless wilderness known as tundra. Each spring, animals travel up from the south to be ready for the rich grazing that will be unveiled by the spring melt. To the calibo, the timing is critical. Arriving earlier and winter storm could kill you.Delay too long and you may fail to lay down the fat needed to survive the polar winter.

我们的旅程到达第一个不毛之地,南边是一个荒凉没有植被被称为苔原的旷野。每年春天,动物从南方旅行等待春天的到来。时间至关重要的。早些时候到达,冬季风暴可能会要了你的命。拖得太久,你就不能储存需要在极地冬季生存的脂肪。