冰床平均厚度是7200英尺，占地球总冰量90%、淡水70%。

冰床平均厚度是7200英尺，占地球总冰量90%、淡水70%。的英文翻译

基本释义

• The average thickness of the ice sheet is 7,200 feet; this amounts to 90%25 of all the ice and 70%25 of all the fresh water in the world.