听力文本

Baikal is the oldest lake in the world
贝加尔湖是世界上最古老的湖泊
and despite the harsh conditions, life flourishes here in isolation.
尽管生存条件恶劣，生命仍在这个与世隔绝的地方得到了兴盛
80% of its species are found nowhere else on Earth, including the world's only freshwater seal.
湖里80%的物种在地球上其它地方都不存在，包括世界上唯一的淡水海豹
With this seal and its marine-like forests of sponges,
有了这种海豹再加上海底森林一般的海绵
Baikal seems more like an ocean than a lake.
贝加尔湖看起来更像是海洋，而不是湖泊

There are shrimp-like crustaceans, giant amphipods as large as mice.
这种长得像虾一样的甲壳动物是一种大型端足类动物，它有老鼠那么大
They are the key scavengers in this lake.
它们是湖里不可或缺的“清洁工”
The water here is just too cold for the bacteria that normally decompose the dead.
由于湖水过于寒冷，分解尸体的细菌很难在此存活
Most rivers do not end in lakes but continue their journey to the sea.
大部分河流并非止于湖泊，而是一直奔向大海。

词汇解析

1.as large as 与...一样大
Wang is known for his steel sculptures, though they are not all as large as this one.
王以其钢制雕塑著称，尽管他的作品不都像不朽浮山这么庞大。

2.continue to 继续
At the moment, we continue to do what we do.
目前我们会继续做我们应该做的。

视频及简介

淡水是我们最宝贵的资源，它决定了地球上生命的分布。同河流一起，从高高的山峰一路而降，直向大海，观看壮观的瀑布，在大峡谷里飞翔，在世界上最深的湖泊的冰雪下面探索野生的生命，见证动物行为的独特的、生动的一面：水獭和泽鳄将一决胜负。