The North Pole has no land, only thick ice.
北极没有陆地，只有厚厚的冰层。
Nunavut is 1.9 million square kilometres of rock and ice, and a handful of islands around the North Pole.
努纳武特地区包括190万平方公里被岩石和冰雪覆盖的陆地，以及北极附近的几个岛屿。
LRO and other spacecraft ultimately found evidence of tons of water ice at the moon's North Pole and elsewhere.
LRO与其他航天器最终在月球北极与其他地方找到了月球有大量水冰的证据。
The IceCube observatory sits deep underneath the South Pole and has been built in a cubic kilometre of perfectly clear, bubble-free ancient ice.
冰立方天文台身处南极点地下深处一块巨大的、纯净的、无气泡的远古冰块中。
Huge sections of the ice around the South Pole of Mars are melting in this summer's warm weather.
在这个夏日炎热的天气里，火星南极周围的巨大冰面正融化。
A new study has revealed that the Arctic Ocean's permanent blanket of ice around the North Pole has thinned by more than 40% since 2004.
一项新的研究揭示出，北冰洋中北极附近的永久性冰盖自2004年以来已经变薄了40%以上。
Thousands of meters below the ice near the South Pole lies one of the most unusual observatories ever constructed.
南极附近冰面往下数千米处，坐落着已建成的最不同寻常的观测站中的一座。
Lovell spent the millennium New Year as part of a group camping out on the ice at the South Pole, fighting a wind storm that was threatening to blow his tent away.
千禧新年罗威尔是在南极度过的，他当时正在冰上集体野外宿营，需要和能把帐篷吹走的风暴搏斗。
Early in the second year, however, it became apparent that Fram would not reach the Pole. To achieve his goal, Nansen would have to get out on the ice with sleds and dogs and make a dash for it.
然而，第二年的早些时候，很明显弗拉姆号是不能到达北极了，为了实现目标，南森不得不踏上冰面，带着雪橇和狗向北极进发。
Until recently, many scientists thought it might take until the end of the century for the North Pole to become completely ice-free during the summer.
直到最近，许多科学家认为北极到本世纪末的时候可能会在夏季完全变成无冰世界。
Last year was a record year for ice melt all over the Arctic and the ice band surrounding the North Pole is even thinner now.
去年是北极地区冰层融化创记录的一年，如今北极周围的冰带更薄了。
The white material at the top of the cliff, near the planet's North Pole, is carbon dioxide ice.
照片上显示的悬崖上的白色物质是位于火星北极地区的干冰。
In 2007, a Russian expedition descended in a pair of vessels more than two miles under the ice cap and deposited a Russian flag on the seabed at the North Pole.
2007年，一支俄罗斯探险队在北极用两艘潜水器潜到了两英里之下的冰层，并在海底放置了俄罗斯国旗。
Whether in summer or in winter, the North Pole is covered with ice and snow.
不管冬天还是夏天，北极都覆盖着冰雪。
But by staying in one place on the ice, the team have actually lost ground because the ice pan they are on is moving away from the North Pole.
由于考察队一直待在同一个冰盖上，实际上是在倒退步。
A radar experiment aboard India's Chandrayaan-1 lunar spacecraft also found thick deposits of water-ice near the Moon's North Pole.
登上月球的印度月球初航ChandrayaanI航天器的雷达在靠近月球北极的地方发现厚冰层的存在。
NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, last month slammed into one of moon's permanently shadowed craters near the south pole to study whether ice was buried underneath.
「月球陨石坑观察与感卫星」太空总署的「月球陨石坑观察与感测卫星」（LCROSS），上个月撞入月球南极附近一个永久阴暗的陨石坑，探测下面是否埋藏了冰。
The photographs actually show sand dunes coated with a thin layer of frozen carbon dioxide, or dry ice, less than 240 miles from the planet's north pole.
这张图片实际显示的，是距离火星北极不足240英里的沙丘上覆盖的一层薄薄的冰冻二氧化碳、或干冰。
The chances for a total meltdown at the pole are higher than ever because the layer of ice coating the sea is thinner than ever, he said.
北极全面融冰的机会要高于往年，这是因为覆盖海洋冰层的厚度比以前薄了，他说。
When Scott's crew finally reached the South Pole on the 78th day, they were greeted by a horrifying sight: a Norwegian flag that Amundsen had planted in the ice 33 days before.
斯科特的小队最终在78天后到达了南极点，迎接他们的是一幅惊人的景象：挪威的国旗早在33天前就被阿蒙森插在了那里。
The extra warmth caused sea ice at each pole to melt, especially in Antarctica, where the area covered by ice shrank by as much as 18 per cent in the summer.
这些额外的温度致使两级冰层融化，尤其在南极，冰层覆盖面积在夏季缩减达到18%之多。
Measurements taken over the south pole reflect changes in the mass of the Antarctic ice sheets.
南极地区的数据反映了南极冰盖质量的变化。
The huge chunk of ice, which is 600ft thick, broke off the Petermann Glacier, located about 620 miles south of the North Pole, on Thursday.
这块厚达600英尺的巨型冰坨，于周四在距离北极以南620英里的地方脱离彼得曼冰川。
As the sea ice at the northern fringe of Antarctica retreats, researchers expect that Adélie penguins living in the Ross Sea will be forced to shift their range farther south toward the pole.
随着南极北隅海冰的消退，生活在罗斯海的阿德利企鹅将会背井离乡，向着南方的极点靠近。
This time the sledge moved a little. I hacked at the ice with my ski-pole and boot, desperately trying to break the sledge free - and heaved again.
这次雪橇有点动了，我用滑雪杆和靴子铲开冰雪，拼命向前推动，想把雪橇解脱出来。
That pushed the older thicker sea ice that had been over the North Pole south toward Greenland and eventually out of the Arctic, Serreze said.
它推动了覆盖北极的古老的厚冰层，使之朝向格棱兰南移，最终使冰层离开北极，Serreze说。
75% of the Arctic sea ice has disappeared in the past thirty years, and scientists say the North Pole could be ice-free as soon as next year.
75%的北冰洋冰块在过去的三十年里消失科学家说北极可能在明年就会无冰。
There's a 50-50 chance that the North Pole will be ice-free this summer, which would be a first in recorded history, a leading ice scientist says.
(华盛顿)——今夏北极有一半对一半的概率无冰，这将是有史以来的第一次，一位领先的冰科学家说。
There's a 50-50 chance that the North Pole will be ice-free this summer, which would be a first in recorded history, a leading ice scientist says.
(华盛顿)——今夏北极有一半对一半的概率无冰，这将是有史以来的第一次，一位领先的冰科学家说。
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