its

289 篇文章
As the sun's influence increases, the sea ice seems to take on a life of its own.
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As the sun's influence increases, the sea ice seems to take on a life of its own. 随着太阳的威力逐渐增强, 海冰仿佛有了自己的生命

and its rays strike the Arctic more directly.
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and its rays strike the Arctic more directly. 阳光逐渐直射到北极来

It must get to grips with its new ice world,
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It must get to grips with its new ice world, 它们必须适应这个冰雪世界

The calf must stay close to its mother to avoid getting lost in the sudden blizzard.
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The calf must stay close to its mother to avoid getting lost in the sudden blizzard. 小牛必须紧跟着母亲 才能避免在突如其来的暴风雪中迷路

as each penguin works its way towards the warmer interior.
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as each penguin works its way towards the warmer interior. 每只企鹅都要变换位置以进入更温暖的内部

As the days shorten, its warmth is withdrawn from the continent.
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As the days shorten, its warmth is withdrawn from the continent. 随着白昼的缩短,南极大陆变得越来越冷

But producing the egg has taken its toll.
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But producing the egg has taken its toll. 但体力也在产蛋的过程中消耗殆尽

Its long arm extends further north than the rest of the continent, so spring arrives here first.
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Its long arm extends further north than the rest of the continent, so spring arrives here first. 这里与南极洲的其它地方相比更靠近北边, 所以春天先来到这里

An adult locust eats its entire body weight every day,
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An adult locust eats its entire body weight every day, 成虫每天的进食量相当于自己的体重

and the pleats on its trunk enable it to expand rapidly.
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and the pleats on its trunk enable it to expand rapidly. 茎上的皱褶使之能迅速膨胀