冰层

• They believe that if the ice cap melts global average sea level will rise by about seven metres
  他们认为格林兰的冰层融化会导致全球海平面上升7米。
• Each athlete on a four - member team slides a stone across the ice toward a circular target
  每一个四人小队内的运动员滑动石头朝一个圆形目标穿越冰层。
• Currently , the ice there breaks up three weeks earlier in the spring than it did 20 years ago
  目前那里的冰层在春天裂开的时间比二十年前早了三个星期。
• Some 95 percent of antarctica is covered by an icecap averaging 1 . 6 km ( 1 mi ) in thickness
  约百分之九十五的地方被平均厚度为1 . 6公里（ 1英里）的冰层覆盖。
• Greenland . located at the arctic circle , greenland is covered by a permanent landscape of ice
  格陵兰岛位于北极圈，终年被冰层所覆盖，是世界上最大的岛屿。
• The melting of greenland ' s ice sheet is accelerating , threatening an increasing rise in sea levels
  格陵兰岛冰层的融化速度正在加快，可能导致海平面加速上升。
• The lakes are under moving sections of ice , called ice streams , that flow into the ross ice shelf
  这些湖泊在冰流的下面，冰流是移动的冰层，流向“罗斯冰架” 。
• Previously it was thought the continent was too cold for water to exist in liquid form beneath its ice sheets
  之前都认为这片大陆太冷，液态水无法在冰层下存在。
• This has focused world attention on the polar regions , whose ice is melting at an alarming rate
  北极区也就是要关注的焦点所在，因为冰层融化的速度快得令人担忧。
• The study found that the lakes are second in size only to lake vostok and are nestled in deep depressions
  期刊上。这两大湖被埋在平均大约4000公尺厚的冰层下， 90