icesheet,bedsheet

2014 was the year of the melting ice sheet
rain melting greenland ice sheet 'even in winter' 冬日雨水
大陆冰盖(简称冰盖) :大陆冰盖 (continental ice sheet) 是指长期
illustration of a west antarctic ice sheet.
大陆冰盖 (continental ice sheet) 是指长期覆盖在陆地上的面积大于5