纪录片《我们的地球》 第44期 淡水资源(01)（在线收听）

Only 3% of the water on our planet is fresh.

地球上只有3%的水是淡水

Yet these precious waters are rich with surprise.

可是这些珍贵的淡水中却充满了惊奇

All life on land is ultimately dependant upon fresh water.

所有陆地生命归根结底都依赖于淡水

The mysterious tepuis of Venezuela, isolated mountain plateaus rising high above the jungle.

神秘的委内瑞拉平顶山区，一个孤立于丛林之上的的山地高原

This was the inspiration for Arthur Conan Doyle's Lost World, an imagined prehistoric land.

这里是亚瑟·柯南·道尔的著作《失落的世界》的灵感源泉，一个想象中的史前世界

Here, strange towers of sandstone have been sculptured over the millennia by battering wind and torrential rain.

这里伫立着数千年来暴风骤雨雕凿成的奇形怪状的石塔

Moisture, rising as water vapour from the surface of the sea, is blown inland by wind.

水蒸发成水蒸气从海面升起，接着被风带到内陆。

On reaching mountains, the moist air is forced upwards

途经山脉的时候，水气被迫抬升

and as it cools, it condenses into cloud and finally rain, the source of all fresh water.

逐渐冷却，汇聚成云，最后形成降雨，这便是所有淡水的来源。

There is a tropical downpour here almost every day of the year.

这里全年几乎每天都会降下热带暴雨。