The retreat of the polar ice cap is making the region easier to work in, and there is thought to be lots of oil and gas to tap.
北极冰盖的消融使得在该地区作业较为容易，而且该地区储藏有大量可开发的石油和天然气。
The other bright region in the image is the polar ice cap over the Arctic Ocean.
图中另一块明亮的区域则是北冰洋的极地冰冠。
The retreat of the polar ice cap is making the region easier to work in, and there is thought to be lots of oil and gas to tap.
北极冰盖的消融使得该区域更容易进入，人们认为那儿蕴藏着丰富的石油和天然气。
The retreat of the polar ice cap is making the region easier to work in, and there is thought to be lots of oil and gas to tap.
北极冰盖的消融使得该区域更容易进入，人们认为那儿蕴藏着丰富的石油和天然气。
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