one

963 篇文章
This one tree could provide him with all he will ever need...
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This one tree could provide him with all he will ever need... 这棵树可以为他提供一生所需的食物

This one is for more advanced climbers.
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This one is for more advanced climbers. 这棵树需要更高的攀爬技巧

One third of spider monkeys never make it to adulthood.
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One third of spider monkeys never make it to adulthood. 三分之一的蜘蛛猴都活不到成年

And, at any one time,
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And, at any one time, 每分每秒

it has to face one major challenge.
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it has to face one major challenge. 他不得不面对一个巨大的挑战

for one of the most majestic of all mountain creatures.
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for one of the most majestic of all mountain creatures. 一种美丽山地动物的生存

But one is not enough.
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But one is not enough. 但这远远不够

This bobcat is one of the few hunters to remain active in winter.
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This bobcat is one of the few hunters to remain active in winter. 山猫是少数冬天还在活动的捕猎者

There are now around 30 bears in this one valley.
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There are now around 30 bears in this one valley. 这个山谷中大约有三十只熊

Yet one animal spends the whole winter slumbering
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Yet one animal spends the whole winter slumbering 然而有一种动物整个冬季