polar cap ice

基本解释

He said that further warming could trigger polar ice cap melting.
他说进一步的变暖可能触发极地冰帽融化。
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。
As Stavridis noted: "Melting of the polar ice cap is a global concern because it has the potential to alter the geopolitical balance in the Arctic heretofore frozen in time."
正如斯塔夫里蒂斯所述：“融化的北极冰帽正在引起全世界的关注，因为它有可能改变这个一直被冷冻着的地区的地缘政治平衡。”

Nobody is currently predicting a full scale polar ice cap melting, not even in worst case scenarios.
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In the spring and summer of recent years, the polar ice cap has receded more quickly and more dramatically.
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