Remote, vast and inaccessible, the ice sheets covering Greenland and Antarctica are extremely difficult to measure.

格陵兰和南极的冰原位置偏远、广大、难以接近，因此很难评估。

So very simply, when you have ice sheets covering the Arctic Ocean, they're white, they're very bright.

非常简单，当冰盖覆盖北冰洋时，它们是白色的，它们非常明亮。

The ice sheet covering most of Greenland is rapidly melting under the same heat wave that broke records across Europe last week.

覆盖格林兰岛的冰盖正在融化，这里也遭遇了上周席卷欧洲的破纪录热浪。

Because of the thick sheets of ice covering the continent, Antarctica has the highest average elevation of any continent in the world.

由于这些厚厚的冰层覆盖了这片大陆，相对于世界上任何大陆，南极洲的平均海拔是最高的。

The attendant drew the covering sheet down to show us what we both would rather not have seen, the horrid gash across the throat that stretched from ear to ear.

服务员拉下覆盖物，向我们展示了我们都不愿看到的东西，喉咙上从一只耳朵延伸到另一只耳朵的可怕伤口。