The pack ice is returning and the arctic whales mustn't linger.浮冰群就要重现，而北极的鲸类已不可逗 ...

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All around the world, birds, like dinosaurs, fill just about every habitat in every environment, fro ...

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Ankylosaurus represents the end of the history of the armored dinosaurs, the ultimate in dinosaurian ...

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In the Cretaceous Period, plant eaters faced vicious killers.在白垩纪，食草动物们不得不面对凶残的杀 ...

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By May, the sun is growing in strength.到了五月份，太阳光照在逐渐增强。In the North American tundra ...

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Sauroposeidon is an herbivore.波塞东龙是食草动物。The evolutionary strategy for this giant is to lay ...

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Sauroposeidon does almost everything by instinct including rearing, or more accurately, not rearing ...

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Small and low-slung, this vegetarian can not only survive a T. Rex attack,矮小的甲龙不仅能抵御雷克斯 ...

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The best way to attack Triceratops is with a long-barreled 75-millimeter antitank gun.攻击三角龙的最 ...

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The crest contains the animal's nasal cavity-a tube that loops around twice, creating a chamber two ...

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For a giant like Quetzalcoatlus, flight control is everything.对于体型庞大的披羽蛇翼龙而言，飞行控制 ...

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The arctic tundra, covering one tenth of the earth's surface, this ice desert is one of the coldest ...

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The reasons why animals like Sauroposeidon have an enlargement in their hip像波塞东龙这种动物之所以 ...

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A land of extremes where fire and ice clash.一处极端之地冰火交融。Ancient mountains give way to lush ...

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September brings shorter days and longer nights.进入九月，白日渐短，黑夜渐长。Autumn has arrived.秋 ...

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Staying close to mother is the secret of survival.留在母亲身旁才是生存的秘诀。His greatest danger wi ...

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The reason the whales come to the seas around Iceland is the abundance of krill.鲸类们来到冰岛周边海 ...

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The survival of these birds may depend on their ability to adapt to their changing world.这些鸟的生 ...

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I am the soil.我是土地。I am in the hills, and in the valleys, the farms, the orchards.我存在于高山 ...

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The end of a long Scandinavian winter is a desperate time.斯堪的纳维亚漫长的冬天结束之际极其难熬。Bu ...

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