Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.

像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。

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As the sea ice at the northern fringe of Antarctica retreats, researchers expect that Adélie penguins living in the Ross Sea will be forced to shift their range farther south toward the pole.

随着南极北隅海冰的消退，生活在罗斯海的阿德利企鹅将会背井离乡，向着南方的极点靠近。

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These will range from Richter 8 on down, but in no case will be as great as the initial shock during the pole shift.

这些余震将会是里氏8级及以下，但绝不会有极移期间所发生的初震那么巨大。

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On their journey to the South Pole, temperatures will range between -20 and -40C, and they will have to climb summits of up to 9, 000ft.

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