几千年前，地球几乎全部被冰覆盖。
The planet was practically covered in ice just a few thousand years ago.
这是因为格陵兰岛大部分地区被大量的冰覆盖着。
That is because most of Greenland is covered with lots of ice.
冰覆盖了北冰洋的大部分地区。
因此，冰川形成了各种各样的地貌，这些地貌在地表被冰覆盖的解除后很长时间都不会消失。
As a result, glaciers create a great variety of landforms that remain long after the surface is released from its icy covering.
现在的研究表明，在最后一次冰河时期的尾声阶段，阿拉斯加东南部沿岸的内大陆架的相当大的区域并未被冰覆盖。
Research now indicates that sizable areas of southeastern Alaska along the inner continental shelf were not covered by ice toward the end of the last Ice Age.
行走在这条被冰覆盖的路上是很危险的。
冬天，交通事故经常发生在被冰覆盖的路上。
在被冰覆盖的大陆上，这些地方是寸草不生的。
研究发现三月的平均冰覆盖量大约是一千五百万平方公里。
The study found an average ice cover of about fifteen million square kilometers in March.
事实上，谷神星可能有冰覆盖岩(或冠岩)和稀薄的大气层。
欧洲航天局评定世界冰覆盖量的任务将要于明年二月实施。
The European space agency's mission to assess the state of the world's ice cover is likely to launch in February.
事实上在18000年前，两倍于现在的南极的冰覆盖了北美的西北部。
In fact, only 18, 000 years ago (a blink of an eye in geologic time), twice this amount of ice covered the northwest of North America.
由于气候变化，北冰洋夏季的冰覆盖量现在仅是50年前的一半。
Because of climate change, the Arctic Ocean's summer ice cover is now half of what it was 50 years ago.
本文对冰覆盖下的河道水流进行了区域划分，给出了区域分界面上的水流条件。
The paper divides regionally the flow under the ice cover and gives flow conditions of the regional boundary surface.
据科学家推测，土卫二冰冷的表面99%被水冰覆盖，地表之下存在液态水的几率也很大。
The surface of the icy moon is thought to be about 99 percent water ice, with a good chance of liquid water beneath.
这解释了为什么当道路被冰覆盖的时候，人们要比路况好的时候更慢速和慎重地驾驶的理由。
This explains why people drive more slowly and carefully when roads are icy than when roads are clear.
本文的研究和分析方法及成果，为今后解决在结冰海域建设冰覆盖下取水工程技术措施提供借鉴。
The method of simulation and analysis and the achievement in this paper provide a reference for adopting technical measure of building other water intake in the sea ice covered waters in the future.
作为南极洲少数的没有冰覆盖的地区之一，麦克·默多干谷(McMurdo Dry Valleys)存在着地球上最寒冷和最干燥的土地。
One of the few perpetually ice-free regions in Antarctica, the McMurdo Dry Valleys are home to some of the coldest and driest exposed land on Earth.
一种被冰覆盖的绕日运行的小天体，通常有着一个极高度椭圆的轨道，这使其在轨道的一端尽头非常接近太阳，而在轨道另一端尽头却离太阳非常遥远。
A small icy object orbiting the Sun, often in a very highly elliptical orbit which takes it very close to the Sun at one end of its orbit, and very far away from the Sun at the other end of its orbit.
事实上，覆盖在北极的海中的冰正在以比预期更快的速度融化。
Indeed, sea ice cover in the Arctic is melting faster than expected.
太空探测器显示了一个覆盖着一层厚厚的冰的物体。
湖面上覆盖着一层冰。
那是因为格陵兰岛大部分地区都覆盖着大量的冰。冰层比世界上最高的建筑还要高。
That is because most of Greenland is covered with lots of ice. The ice is higher than the world's tallest building.
这种物质覆盖的区域十分巨大，因此使其沉积下来的冰一定是比格陵兰岛或南极洲更大的大陆冰川。
The areas covered by this material were so vast that the ice that deposited it must have been a continental glacier larger than Greenland or Antarctica.
实际情况是，冰川底部的冰承受着巨大的压力——这些压力来自于覆盖在上面的冰的重量。
What happens is that the ice at the base of the glacier is under a great deal of pressure—the pressure coming from the weight of the overlying ice.
覆盖着冰的路面对驾驶汽车的人是个危险的隐患。
冬日里覆盖着山脉的大块冰壳开始破裂开来，重重地跌落到山脚下正在融化的海水里。
Great chunks of the ice crust, which has covered the mountains through the winter, break off and drop heavily into the thawing sea beneath.
冬天时湖面上覆盖着冰。
南极的冰量巨大，足以以1.5英里的厚度覆盖美国全境。
There is a lot of ice on antarctica-enough to cover the United States to a depth of 1.5 miles.
没有人非常了解为什么冰架这么迅速的融化，也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
应用推荐