ice sheets

基本解释

They are also swollen by melting glaciers, ice caps and ice sheets: Greenland’s ice is on track to melt completely, which will eventually raise the sea level by about seven metres (23ft).
海洋也会因冰川、冰盖和冰盾的融化而膨胀：格陵兰岛的冰正在处于完全融化的进程中，这将最终使海平面升高大约七米（23英尺）。
"For large periods of time the north was uninhabitable because of ice sheets coming and going, so there was less opportunity for culture to develop independently up there, " says von Petzinger.
“由于冰川来临，北部在很长一段时间中都不适宜居住，所以独立发展的人类文明在那里出现的几率比南部小。” 梵佩金格尔这样说。
Thinning penetrated deep into the interior of the ice sheets and continues to spread as ice shelves melt into the sea.
变薄的现象已经远远渗透到冰原的腹地，而且随着冰架向海中延伸，冰川变薄的范围也在扩大。

Signs of climate change include an increase in rain when there used to be only snow, new plant life,and melting ice sheets.
But scientists disagree about how much sea levels could rise if Antarctica's ice sheets continue to melt.
Many of the lakes around the Grand Tetons were formed millions of years ago by slow-moving sheets of ice.

Ice sheets are, by nature, located in the coldest, harshest, most inaccessible places on the planet.
FORBES: Why 'Chasing Ice' Is Better Than 'An Inconvenient Truth'