1、Large flat sheets of the icecap called ice shelves float in water near Antarctica.
大而扁平狀的冰冠稱(chēng)作冰架，它們漂浮在南極洲周邊的水域中。

2、Some 95 percent of Antarctica is covered by an icecap averaging.
南極洲約百分之九十五的地方被厚度差不多的常積不消的冰覆蓋著。

3、Some 95 percent of Antarctica is covered by an icecap averaging 1.6 km in thickness.
約百分之九十五的地方被平均厚度為1.6公里（1英里）的冰層覆蓋。