Polar bears usually subsist on seals, which they hunt from a platform of sea ice.
北极熊通常在浮冰上抓捕海豹作为食物.
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Long streamers of Northern Lights flashing blue wisps across the sky.
北极光的狭长流光,闪射出蓝色的光芒,横过夜空.
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In a den, a polar bear gives birth to a cub but the cub stillborn.
在一个洞穴里, 一只北极熊生产了一个幼子,可是幼熊生下来就死了.
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The Northern Lights are effortlessly one of Earth's most visually striking natural spectacles.
北极光是地球上比较容易见到的最壮观的自然现象之一.
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Follow the terminator line to the moon's upper limb to locate the lunar north pole.
沿着明暗界限找出位于上边缘的北极.
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Unlike energy, you can't drill deeper in the ocean or under Arctic tundra for more food.
和能源不同, 你不可能到海洋深处或北极冰原去获取更多的粮食.
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We need large quantity of Arctic sea cucumber . If you can supply pl contact me.
我们需要大量北极海参. 请能提供的卖家与我联系.
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Arctic sea ice is important because it helps moderate warmer temperatures elsewhere.
北极海冰非常重要,因为它有助于缓解气温变暖.
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但是, 网站谨慎地说,“北极海”的身份识别系统不可能还在船上.
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并且提出了优化算法,模拟了部分北极海域的温度分布状况.
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As Arctic sea ice melts, the darker ocean absorbs more sunlight and speeds melting.
覆盖在北极海面上的冰雪融化后, 颜色更深的海水将吸收更多的阳光,从而加速了融化进程.
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