The polar bear is one example of an animal that could become extinct by the end of this century. the WWF said.
世界自然基金会有关人士说：“北极冰盖融化可能会导致北极熊等极地动物在本世纪末灭绝。”
Mars has a north pole and a South pole covered with white frost.
火星有冰霜覆盖着的南极和北极。
The North Pole rests at the top of big shifting sheets of polar ice,
北极坐落在移动的极地冰盖上，
ice covered waters surrounding the North Pole; mostly covered with solid ice or with ice floes and icebergs.
围绕北极的冰雪覆盖的水域；几乎全被大冰块或冰山覆盖。
Detecting Arctic Snow and Ice Cover with FY-1D Global Data;
利用FY-1D全球数据监测北极冰雪覆盖
Like Antarctica, the Arctic is a land of ice and snow.
如同南极洲，北极是一个冰雪覆盖的大陆。
The land in the north is iced over and polar bears live there.
北部的土地由冰雪覆盖，北极熊在那里生活。
The ice itself is moving so quickly,
冰盖移动的速度极快，
A REVIEW OF ICE RADAR'S TECHNICAL DEVELOPMENT IN POLAR ICE SHEET INVESTIGATION
极地冰盖冰雷达探测技术的发展综述
The northern ice cap sits nestled within a deep depression that covers essentially the entire northern hemisphere of Mars and drops in elevation as it nears the pole.
北部冰冠位于基本覆盖了整个火星北半球的一个深奥的凹陷处的内部，在接近极地处，海拔下降。
Iceland is in the far north of the world.
冰岛在世界的极北端。
The polar bear lives in the snow and ice at the North Pole.
北极熊住在北极的雪地以及冰原。
polar bears, denizens of the frozen north
北极熊, 北极冰天雪地的老住户
The reason is that almost all of the water lies trapped in the Martian polar ice caps or frozen beneath the surface.
其原因是几乎所有的水都蕴藏在火星南北两极的冰盖下或冻结在表层下面。
Progress and Prospect of Ice Radar in Investigating and Researching Antarctic Ice Sheet
冰雷达探测研究南极冰盖的进展与展望
The in situ measurement techniques of surface mass balance in Antarctica ice sheet
南极冰盖表面物质平衡实地测量技术
THE IN-SITU MEASUREMENT TECHNIQUES OF SURFACE MASS BALANCE IN ANTARCTIC ICE SHEET
南极冰盖表面物质平衡实测技术综述
ANTARCTIC ICE MASS LOSS FROM GRAVITY SATELLITE
卫星重力用于南极冰盖物质消融评估