冰盖被默认为是稳定的。
未来两个世纪,冰盖有可能消失。
That ice is likely to disappear within the next two centuries.
但是,格陵兰冰盖不是一个牢固光滑的冰体。
But the Greenland ice sheet is not one solid, smooth mass of ice.
南方干冷,大部分被冰冰盖笼罩。
The south was cold and arid, with much of the region frozen under ice caps.
冰盖的命运就是我们的命运。
河道中冰盖显著改变了水流流动结构。
The presence of an ice-cover in a river will significantly change flow structure.
这并不仅仅是说随着全球气温升高,冰盖在稳步融化。
It is not simply that the ice sheet is melting steadily as global temperatures rise.
格陵兰巨大冰盖的冰量大约占世界的20%。
Greenland's massive ice sheet holds about 20 percent of the world's ice.
冰盖则是能把整个地区覆盖起来的广阔冰川。
随着南极冰盖冰冻和消融,全球海平面也在降低和升高。
The Antarctic Ice Sheet waxed and waned, and global sea level rose and fell.
当冰盖从北美大陆上消退时,这些动物统治了整片大陆,其中甚至包括越野车大小的巨型树獭。
当冰盖从北美大陆上消退时,这些动物统治了整片大陆,其中甚至包括越野车大小的巨型树獭。
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