antarctic ice sheet短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 南极冰原 The Gamburtsev subglacial mountains are thought to be the birthplace of the vast East Antarctic Ice Sheet. 甘毕采夫冰下山脉被认为是辽阔的东南极冰盖的发源地。 blog.sina.com.cn Until February, it had been the tongue of the Mertz Glacier, sticking out from the East Antarctic ice sheet into the Southern Ocean. 到二月，它已然成为了默茨冰川的突出部分，从东南极冰盖延伸入南大洋。 yeeyan