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5665 篇文章
brings huge quantities of food into these high rivers that normally struggle to support much life.
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brings huge quantities of food into these high rivers that normally struggle to support much life. 于是这些平常只能勉强维持众多动物生计的 高山河流终于有了提供饕餮大餐的机会

Although relatively lifeless, the power of the upland rivers to shape the landscape
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Although relatively lifeless, the power of the upland rivers to shape the landscape 尽管高山河流的生物量相对较少 它们却有能力改变地形

he's learnt to dive for his dinner.
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he's learnt to dive for his dinner. 它学会了潜水捕猎

and the cubs have lots to learn.
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and the cubs have lots to learn. 熊崽们还要很多东西要学

Up here, there are fewer predators to eat their eggs and fry.
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Up here, there are fewer predators to eat their eggs and fry. 只因上游很少有捕食鱼卵 和鱼苗的掠食者

From famine to feast -
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From famine to feast - 它已经很久没有打牙祭了

Across the northern hemisphere salmon, returning from the ocean to their spawning grounds,
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Across the northern hemisphere salmon, returning from the ocean to their spawning grounds, 鲑鱼穿越整个北半球 从海洋回到它们的产卵地

Living up to 80 years they grow into giants.
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Living up to 80 years they grow into giants. 它们能活80多年 因此长得十分巨大

There are advantages to life in the fast stream -
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There are advantages to life in the fast stream - 这些动物拥有在急流中生存的先天优势

Usually, these mountain streams only provide enough food for small animals to survive.
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Usually, these mountain streams only provide enough food for small animals to survive. 通常 山涧提供的食物 只能维持小型动物生存