877 篇文章
their fresh water has brought life and abundance to planet Earth.
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their fresh water has brought life and abundance to planet Earth. 淡水为地球带来了无数生机与富饶

to rest and refuel on their long migratory journeys.
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to rest and refuel on their long migratory journeys. 并在此休整 准备继续长途迁徙

they slow down, release their sediment and build deltas.
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they slow down, release their sediment and build deltas. 水流减缓 留下大量泥沙 堆成了三角洲

In their final stages
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In their final stages 在旅途的最后阶段

rivers broaden and flow wearily across their flat flood plains.
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rivers broaden and flow wearily across their flat flood plains. 河道变宽 河水缓缓流过 平坦辽阔的冲积平原

are only found in the lower courses of their rivers.
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are only found in the lower courses of their rivers. 都是位于河流的下游地段

They pick up rocks in their jaws
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They pick up rocks in their jaws 它们用长嘴捡起石块

and flaunt them to their attending females.
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and flaunt them to their attending females. 然后向自己的“心上人”炫耀

To date over 3,000 species of their fish have been described -
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To date over 3,000 species of their fish have been described - 据统计 被命名的鱼类已达到3000多种

but continue their journey to the sea.
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but continue their journey to the sea. 而是一直奔向大海