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3022 篇文章
The males hold court in a unique way.
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The males hold court in a unique way. 雄江豚会以独特的方式向雌江豚示爱

court hold way unique males in the a
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

pick jaws rocks up their they in
In these murky waters they rely on sonar to navigate and hunt.
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In these murky waters they rely on sonar to navigate and hunt. 它们利用回声定位 在昏暗的水中探路和捕食

navigate sonar murky rely hunt waters these they in to on and
and in the breeding season there is stiff competition for mates.
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and in the breeding season there is stiff competition for mates. 在繁殖季节 会有一场激烈的求偶竞赛

mates stiff competition breeding season for is in the and there
The Amazon is so large and rich in fish
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The Amazon is so large and rich in fish 亚马逊河养育着丰富繁多的鱼类

fish large amazon rich is in the so and
more than in the whole of the Atlantic Ocean.
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more than in the whole of the Atlantic Ocean. 这比整个大西洋的鱼类种数还要多

atlantic ocean than more whole of in the
Rising in the Peruvian Andes, its main trunk flows eastwards across Brazil.
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Rising in the Peruvian Andes, its main trunk flows eastwards across Brazil. 它发源于秘鲁安第斯山区 其干流穿越整个巴西

brazil eastwards trunk peruvian andes rising flows main across in its the
Most rivers do not end in lakes
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Most rivers do not end in lakes 大部分河流并非止于湖泊

lakes rivers end most do not in
They are the key scavengers in this lake.
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They are the key scavengers in this lake. 它们是湖里不可或缺的“清洁工”

scavengers key lake they in the this are
400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers.
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400 miles long and over a mile deep, Baikal contains one fifth of all the fresh water found in our planet's lakes and rivers. 贝加尔湖长400英里 深度超过1英里 其中淡水储量占到了全球江河湖泊淡水总量的1/5

fifth lakes found rivers deep planet's baikal long contains fresh miles mile water of all in the our over and one a