polar-cap ice的意思|示意

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 pinkish deposits constitute a vast south polar cap believed to contain methane ice, which would have reacted under sunlight to form pink or red compounds.

这些固态氮冰在阳光照射下会产生化学反应，生成粉色或红色的化合物。

Of course, in time the polar ice cap will melt.

当然了，极地的冰帽迟早也会融化。

Since 1979, the size of the summer polar ice cap has shrunk more than 20 percent. (Illustration from NASA)

自1979年以来，夏天极地冰冠缩小的规模达20%以上。（插图由美国航天局提供）

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。

Much has been made about conflicts between Arctic states because of a retreating polar ice cap, which will make many natural resources accessible for the first time.

极地冰冠后退在环北极国家中引发了热议。 随着冰冠消融，下面蕴藏的丰富自然资源将首次浮出水面。