238 篇文章
But, with the male on guard, the kodkod must lower his sights.
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But, with the male on guard, the kodkod must lower his sights. 由于母鹿在警戒着,南美林猫只好放弃

The male must stay alert. There are hunters here who would snatch his young.
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The male must stay alert. There are hunters here who would snatch his young. 妈妈必须保持警惕,猎人正在觑觎着孩子

but to see coniferous trees that have reached their full potential you must travel a thousand miles south of here.
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but to see coniferous trees that have reached their full potential you must travel a thousand miles south of here. 不过想要一览针叶林的全貌, 你要还要再向南走1000英里

The cat must roam hundreds of miles in search of prey
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The cat must roam hundreds of miles in search of prey 这只猫(猞猁属于猫科的一种) 为寻找猎物跋涉了几百英里

Being flightless, the returning penguins must cross the open beach on foot.
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Being flightless, the returning penguins must cross the open beach on foot. 由于不能飞 企鹅必须步行穿越空旷的海滩

But first they must cross a crowded beach,
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But first they must cross a crowded beach, 不过首先它们要通过拥挤的海滩

they must cross a narrow strip of water
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they must cross a narrow strip of water 它们必须穿越一片狭窄的水域

There must also be sunlight.
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There must also be sunlight. 还必须有阳光

Mother and calf must stay close.
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Mother and calf must stay close. 母鲸和小鲸鱼必须靠得很近

She must leave now, while she still has enough energy to guide and protect her calf, on the long voyage ahead.
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She must leave now, while she still has enough energy to guide and protect her calf, on the long voyage ahead. 她现在必须离开 趁她还有足够的能量 在漫漫征途之中来指导和保护她的幼子