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4391 篇文章
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
For five months of the year it's sealed by an ice sheet over a metre thick.
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For five months of the year it's sealed by an ice sheet over a metre thick. 每年中总有5个月 湖面被1米厚的冰层覆盖

sheet sealed metre thick an year ice five months for of it's the by over a
Soon, millions upon millions of newly hatched lake flies are taking to the wing.
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Soon, millions upon millions of newly hatched lake flies are taking to the wing. 不久 成百上千万只新羽化的幽蚊 全都扇动着翅膀飞到空中

taking flies hatched upon wing soon lake millions newly of the to are
Early explorers told tales of lakes that smoked, as if on fire.
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Early explorers told tales of lakes that smoked, as if on fire. 早期探险家看到这种湖面上“冒烟”的情景 还以为是湖底着了火

fire smoked tales told explorers lakes early if of that as on
Here, in this dead zone the larvae of lake fly midges hide out away from predators.
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Here, in this dead zone the larvae of lake fly midges hide out away from predators. 这个死亡地带成了 幽蚊幼虫躲避天敌的庇护所

hide midges zone dead larvae fly lake predators here out away from of in the this
The floor of Lake Malawi drops 700 metres into an abyss.
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The floor of Lake Malawi drops 700 metres into an abyss. 马拉维湖底是一个深达700多米的深渊

abyss drops malawi metres lake floor an into of the
Like packs of sharks, they're on the prowl for sleeping cichlids.
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Like packs of sharks, they're on the prowl for sleeping cichlids. 它们像是一群鲨鱼 一边游一边寻找熟睡中的慈鲷

prowl cichlids sleeping sharks like packs they're for of the on
Brooding young in the mouth is a very effective way of protecting them.
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Brooding young in the mouth is a very effective way of protecting them. 它们将鱼苗含在嘴里 这是一种保护它们的有效方法

protecting effective mouth brooding way young very is of in them the a
all of which evolved from just one single ancestor isolated here thousands of years ago.
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all of which evolved from just one single ancestor isolated here thousands of years ago. 它们都是从一个数千年前 即被隔绝在此的祖先进化而来的

ancestor evolved isolated which thousands here just from of single all one ago years
The East African Rift Valley holds three of the world's largest:
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The East African Rift Valley holds three of the world's largest: 东非大裂谷内有着3个世界上最大的淡水湖

rift east valley largest world's african three holds of the