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1800 篇文章
But each year over 50,000 demoiselle cranes set out on one of the most challenging migrations on Earth.
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But each year over 50,000 demoiselle cranes set out on one of the most challenging migrations on Earth. 可是 5万多只蓑羽鹤每年都会 进行一场地球上最具挑战性的迁徙

migrations challenging demoiselle cranes most set year out of each the but over earth on one
Those that succeed can stand for only a few moments on its summit.
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Those that succeed can stand for only a few moments on its summit. 而成功的人们也只能在峰顶短暂逗留

moments succeed summit stand those few can only for that its on a
On the highest summits of our planet
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On the highest summits of our planet 在地球上最高的地方

summits highest of the planet our on
for milk produced on a diet of bamboo is wretchedly poor.
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for milk produced on a diet of bamboo is wretchedly poor. 因为由竹子转化来的乳汁少得可怜

poor wretchedly produced diet bamboo milk for is of on a
Its food, bamboo, on which it totally relies
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Its food, bamboo, on which it totally relies 它完全依赖竹子为生

relies totally bamboo which it food its on
It'll be a year before it has the strength and skill to kill for itself on these difficult slopes.
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It'll be a year before it has the strength and skill to kill for itself on these difficult slopes. 它至少需要一年时间才能有足够的技巧和力量 在这些艰险的峭壁上独自狩猎

it'll itself skill kill strength difficult year slopes these be has it for before the to on and a
On these treacherous slopes
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On these treacherous slopes 在这些变化莫测的悬崖上

treacherous slopes these on
but on these sheer cliffs any slip by either animal could be fatal.
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but on these sheer cliffs any slip by either animal could be fatal. 在如此峻峭的崖壁上 哪一方滑倒都有可能直接送命

fatal slip cliffs could either these be sheer animal any by but on
This is the greatest concentration of peaks over 5 miles high to be found anywhere on Earth.
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This is the greatest concentration of peaks over 5 miles high to be found anywhere on Earth. 这里是地球上5英里以上高峰最集中的地方

anywhere found concentration peaks greatest miles be high is of the to this over earth on
It's the biggest mountain glacier on Earth -
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It's the biggest mountain glacier on Earth - 它是地球上最大的山丘冰川

glacier mountain biggest it's the earth on