121 篇文章
He is forced to head out into deeper water.
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He is forced to head out into deeper water. 它必须进入更深的水域

and the family will need to head out across the frozen sea before the mother's milk runs dry.
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and the family will need to head out across the frozen sea before the mother's milk runs dry. 在母熊奶水干涸之前 一家人需要穿越冰封的海洋

giving them a head start when summer finally arrives.
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giving them a head start when summer finally arrives. 这样可以顺利地迎接夏天的到来

They head towards their breeding grounds, almost 100 miles inland.
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They head towards their breeding grounds, almost 100 miles inland. 它们要前往繁殖地,几乎在离海岸100英里的内陆

and head down to the bottom of the gorge.
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and head down to the bottom of the gorge. 奔向峡谷底部

Receptors in the snake's head pick up the heat given off by the flying bats,
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Receptors in the snake's head pick up the heat given off by the flying bats, 位于头部的“热眼”能觉察到 飞行中的蝙蝠散发出的热量

But sensory nodes on their head and body
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But sensory nodes on their head and body 可是它们头上和身上的感官突起

It's not so risky to put your head down
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It's not so risky to put your head down 它们可以毫无顾虑地埋头吃草

But you need more than a head for heights to survive up here.
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But you need more than a head for heights to survive up here. 不过在这样的高度 要想活下去可不太容易

have given their chicks a head start.
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have given their chicks a head start. 因而它们的宝宝也有了领先的优势