纪录片《我们的地球》 第45期 淡水资源(02)（在线收听）

Fresh water's journey starts here, high in the mountains.

淡水之旅就是从这些高山之巅开始的

Growing from humble streams to mighty rivers, it will travel hundreds of miles to the sea.

涓涓细流汇集成泱泱大河，行程数百英里回到大海

Angel Falls, the highest waterfall in the world.

安赫尔瀑布——世界上落差最大的瀑布

Its waters drop unbroken for almost 1 ,000 metres.

流水不间断地从将近1000米的高处落下

Such is the height of these falls,

具有如此这般高度的瀑布

that long before the water reaches the base in the Devil's Canyon, it's blown away as a fine mist.

在水还未落到恶魔谷底之前，便已被吹散成雾霾

In their upper reaches, mountain streams are full of energy.

上游地段的山涧充满活力

Streams join to form rivers, building in power, creating rapids.

溪流汇聚成河，随着力道的积聚形成激流

The water here is cold, low in nutrients but high in oxygen.

这里的水较冷，营养物质不多，但含氧量却很高

The few creatures that live in the torrent have to hang on for dear life.

生活在急流中的少数几种动物，得有办法固定自己以保住性命。