These birds are able to survive the peril of the Arctic winter.
这些鸟能在北极的严冬中生存。
The explorers endured without flinching the rigours of an arctic winter.
探险家们毫不畏缩地忍受北极冬天的严寒。
But this new information helps solve the mystery of what the canine predators do to survive the brutal Arctic winter.
但最新的这些信息帮助解开了犬类捕猎动物在严酷的冬天时节，如何在北极存活下来的谜题。
These are the signs of the coming arctic winter: The color of the tundra changes as the water grasses turn brilliant red.
这些都是北极地区冬季即将来临的征候：随着水草变成艳红色，北极苔原的颜色也改变了；
We have a spring in our step now that the horrors of the Arctic winter seem to have passed and the Arctic spring has arrived.
现在恐怖的冬天已经过去了，北极的春天已然降临，我们踏着春天的脚步前行。
The arctic winter, the coldest since 1957, froze rivers and channels, and disrupted transport links to some islands in the Baltic Sea.
这个1957年来最冷的冬天里，河流和运河被冰封，通往某些波罗的海小岛的运输联系也中断了。
Threading south through the icy archipelago, they realized by August 26 that they would have to spend another dismal Arctic winter far from home.
在向南穿越了冰冷的群岛后，他们在8月26日就意识到，他们不得不在远离家乡的北冰洋上再度过一个黯淡无光的冬季。
The researchers suggest they might use this power to pick out food and predators in the "white-out" of the Arctic winter and the twilight of the spring and autumn.
研究人员表示，驯鹿可以使用这种能力在北极冬季的极夜和春秋季节的微光中分辨食物和食肉动物。
When it is winter in the Arctic, we fly to Antarctica.
北极到了冬天时，我们就飞往南极。
Arctic sea ice usually melts in spring and summer, then grows in winter.
北极的海冰通常在春天和夏天融化，然后在冬天形成。
A link between summer sea ice in the Arctic and winter temperatures in the northern hemisphere was first proposed in 1914.
北极区夏季的海上浮冰和北半球冬天的气温之间的联系最早在1914年被提出。
The Arctic mammals, known as "sea unicorns" thanks to their single long tusks, also transmitted measurements for the winter layer of surface water that shields sea ice from the warmer waters below.
这种因为长着一根长牙而被称为“海洋独角兽”的北冰洋哺乳动物，同时还传输冬季海水表面的温度，这层海水将海面冰层和下面温暖的海水隔离开来。
Layers of frozen sea water, known as sea ice, cap the Arctic Ocean. The ice grows dramatically each winter, and melts just as dramatically each summer.
北冰洋的冰层由结冰的海水构成，这些冰层在每年的冬天急速冻结，又在每年的夏天迅速消融。
The Arctic ice cap fluctuates with the seasons, growing in the freezing winter and shrinking over the summer.
北极冰盖随季节而变化，在严寒的冬季增长而在夏季则会减少。
American scientists say ice covering the Arctic Sea continued to shrink last winter.
美国科学家称，覆盖北冰洋的冰面去年冬天继续缩减。
Contrary to widely held belief, the aurora borealis is not strictly a phenomenon of winter lights in the Arctic.
与人们的共识相反，北极光并非仅仅是北极冬季里的光亮现象。
The findings add another wrinkle to a problem climate scientists have been warning about since the record melt of 2007: after each summer meltback, the Arctic Ocean refreezes completely in winter.
这个结果在原有的基础上，给气候问题增加了另一个新的曲折。自2007年融化的冰的面积创纪录，气候科学家们已经警告：每年夏季反复融化冻结后，北冰洋在冬天冰会完全冻结的。
Then, this past winter, there was a natural weather shift called the Arctic Oscillation, sort of a cold weather cousin to El Nino.
然后在上个冬季，出现了一种气候变化，就是所谓的“北极涛动”，和厄尔尼诺现象相关联的寒冷气候现象。
Winter temperatures average 30 d3egrees below zero in the Arctic.
北极的冬天，气温平均在摄氏零下30度左右。
This year they noted that the Arctic ice cap had a late-winter growth spurt, reaching its maximum on March 31st, the latest date ever recorded.
今年，科学家们注意到晚冬时节北极冰盖突然迸出的现象，3月31日达到最高值- - -这是至今所记录的最新数据。
This is the time of year when blasts of Arctic air start sweeping across Mongolia's steppe, ushering in the long, hard winter.
每年这时，北冰洋的刺骨寒风开始席卷蒙古大草原，迎接着漫长而寒冷的冬季。
There was much debate as to where the 787 would undergo cold-soak testing after delays in the flight-test program made it clear the timing meant a trip to Arctic Canada would not coincide with winter.
在飞行试验计划延期，清楚地表明时间安排意味着去往加拿大北极地区的飞行不符合冬天的气候之后，有很多关于787飞机可能在什么地方经受冷浸试验的争论。
Arctic ice reached a larger maximum area this winter than in the last few years, scientists say, but the long-term trend still shows it declining.
科学家们说，去年冬天北极冰层的最大面积比过去几年要大一些，但是长期趋势还是显示它在衰减。
The winter saw big variations in Arctic air temperatures, with some areas much warmer and others cooler than average.
这个冬天见到了北极空气温度的大变化，一些区域比通常更温暖一些，而另一些区域比通常更冷一些。
The lush white coat of the arctic fox provides both warmth and camouflage in winter.
北极狐舒适的白外套即保暖又能在冬季作伪装。
Normally, ice builds in Arctic waters around the North Pole each winter and shrinks during the summer.
正常情况下，北冰洋的冰在冬天逐步扩展，在夏天渐渐消减。
Normally, ice builds in Arctic waters around the North Pole each winter and shrinks during the summer.
正常情况下，北冰洋的冰在冬天逐步扩展，在夏天渐渐消减。
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