Ice sheets are broad glaciers that blanket whole regions . 冰盖则是能把整个地区覆盖起来的广阔冰川。
The ice sheets that cover greenland and antarctica now are remnants of this and previous ice ages . 现在覆盖着格陵兰和南极的冰盖就是上述冰块和以前几次冰期的遗留物。
Much of the northern lands were covered by vast ice sheets that reached a thickness of as much as 3 kilometers . 北方大陆的大部分地区曾为厚达3公里的大量冰层所覆盖。
This would start the formation of ice sheets such as those that several times have flowed south across north america and eurasia . 这样就会开始形成像那些曾几度往南流过北美和欧亚大陆的冰层。
The cod swim away ; the ice sheets freeze over again 鳕鱼游走了,冰原再度冰封起。
An ice sheet is a mass of glacier ice that covers surrounding terrain and is greater than , thus also known as continental glacier.American Meteorological Society, Glossary of Meteorology The only current ice sheets are in Antarctica and Greenland; during the last glacial period at Last Glacial Maximum (LGM) the Laurentide ice sheet covered much of North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South America.