398 篇文章
They weigh over a ton and are armed with tusks a metre long.
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They weigh over a ton and are armed with tusks a metre long. 体重超过1吨, 有长达1米的象牙为武器

0nce an extremely rare sight, polar bears have recently been seen over 60 miles from the shore.
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0nce an extremely rare sight, polar bears have recently been seen over 60 miles from the shore. 曾经有人在离海岸60英里处发现了北极熊 这种事情是极难碰到的

The male takes over.
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The male takes over. 任务便交给了雄企鹅

They have travelled over 5,000 miles to reach these waters.
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They have travelled over 5,000 miles to reach these waters. 它们经过5000英里的漫长旅程终于来到了这片水域

The birds have flown inland for over 300 miles to reach this breeding site.
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The birds have flown inland for over 300 miles to reach this breeding site. 它们往内陆飞行300英里才来到这里繁衍

These are nunataks, the exposed peaks of vast mountain ranges buried in ice over a mile deep.
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These are nunataks, the exposed peaks of vast mountain ranges buried in ice over a mile deep. 这些“冰原岛峰”下面是深埋在深达一英里的冰层里的庞大山脉

Instead of waiting for the summer melt, the new arrivals hasten south over the frozen sea.
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Instead of waiting for the summer melt, the new arrivals hasten south over the frozen sea. 还没等到夏季解冻期的来临 这些鸟儿就急急忙忙从冰封的海洋赶到南极

but they're just frequent enough to keep life ticking over.
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but they're just frequent enough to keep life ticking over. 但它们发生的次数 足以保证生命长盛不衰

and reduce visibility for days over areas the size of Britain.
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and reduce visibility for days over areas the size of Britain. 所到之处能见度骤降为零 几天内横扫的地区比英国还大

Each year explorers chart over a hundred miles of new cave passages.
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Each year explorers chart over a hundred miles of new cave passages. 每年 探险家们都会测绘 上百英里新的洞穴通道