polar cap ice

基本解释

He said that further warming could trigger polar ice cap melting.
他說進一步的變煖可能觸發極地冰帽融化。
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.
北極冰蓋的消融使得在該地區作業較爲容易，而且該地區儲藏有大量可開發的石油和天然氣。
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."
正如斯塔夫裡蒂斯所述：“融化的北極冰帽正在引起全世界的關注，因爲它有可能改變這個一直被冷凍著的地區的地緣政治平衡。”

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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