The clearing of sea ice will also permit oil-drilling in places hitherto off-limits.

海冰的融化还使得人们能够在原本无法开采石油的地方进行石油勘探、开采。

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Reindeer can often access the meagre food sources beneath the snow by clearing it away with their antlers, but they cannot break through the hard ice.

驯鹿通常用鹿角清除积雪，获得下面寥寥无几的食物，但他们无法弄破坚冰。

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Reindeer can often access the meagre food sources beneath the snow by clearing it away with their antlers, but they cannot break through the hard ice.

驯鹿通常用鹿角清除积雪，获得下面寥寥无几的食物，但他们无法弄破坚冰。

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