探险家们毫不畏缩地忍受北极冬天的严寒。
The explorers endured without flinching the rigours of an arctic winter.
北极熊的幼兽需要照顾两年半用奶汁含有35%的脂肪，达到一个安全的保暖覆盖即将到来的北极冬天。
Polar bears nurse their cubs for two and a half years with milk containing 35 percent fat-a security blanket for the upcoming Arctic winter.
一项英国气象局的研究同时排除了大西洋“传送带”停止的可能性，而这将会使得英国产生北极冬天——正如电影《后天》中的场景。
A Met Office study also rules out the shutdown of the Atlantic Ocean's conveyor belt, which would trigger Arctic winters in Britain like those seen in the film the Day After Tomorrow.
北极到了冬天时，我们就飞往南极。
北极的海冰通常在春天和夏天融化，然后在冬天形成。
Arctic sea ice usually melts in spring and summer, then grows in 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。
But this new information helps solve the mystery of what the canine predators do to survive the brutal Arctic winter.
红鹬是能飞得最远的一种鸟。冬天，它在高北极苔原产卵，然后飞往新西兰南岛。
Farthest travelled is the red knot, which breeds on the high Arctic tundra and winters as far away as South Island, New Zealand.
北极的冬天，气温平均在摄氏零下30度左右。
Winter temperatures average 30 d3egrees below zero in the Arctic.
不管冬天还是夏天，北极都覆盖着冰雪。
Whether in summer or in winter, the North Pole is covered with ice and snow.
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。
A link between summer sea ice in the Arctic and winter temperatures in the northern hemisphere was first proposed in 1914.
去年冬天北极这种负向振荡从加拿大群岛北部地区运来多年老海冰(四，五年或更多年的老海冰)。
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.
这些北极熊在冬天慢慢地聚集到岸边，因为他们能在寒冷的冰层上猎到自己的美味——环斑海豹。
The bears are slowly congregating along the coast, anticipating the winter freeze of Hudson Bay when they can get onto the ice and hunt their favorite meal of ringed seal.
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。
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.
最后，这个巨大的雄性北极熊对抗了整个海象群，并带走了来之不易的食物，帮助它度过又一个冬天。
In the end, this giant male took on an entire walrus herd and came away with a hard-won meal that will help him survive another winter.
所以，如果你想开车去阿克拉维克或图克托亚图克去看北极光的话，你最好于冬天出行。
So, if you want to drive up to Aklavik or Tuktoyaktuk, to see the northern lights, you'd better plan on winter driving.
当太阳不再直射北极时我们是冬天。
When the sun is not shining on the North Pole at all, we have winter.
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。
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.
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 winter saw big variations in Arctic air temperatures, with some areas much warmer and others cooler than average.
加拿大在北极圈以内的地方，冬季是最好的驾驶季节。每年的冬天，结冰的河流和湖泊上建起了冰路，连通着往时只能乘飞机才能到达的地区。
In Canada's arctic, winter is the best driving season because every winter, ice roads are built over frozen rivers and lakes, connecting communities that are usually accessible only by air.
北极在夏天倾向太阳，冬天偏离太阳。这便使夏日又长又热，冬日又短又冷。
The north pole tilts toward the sun in the summer and away from the sun in the winter. (3) This makes summer days longer and hotter and winter days shorter and colder.
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。
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.
冬天，雌性北极熊会在洞穴里生育，通常都会产下双胞胎。
A female polar bear gives birth, usually to twins, in a snow den in winter.
冬天的阿拉斯加，接近永夜的北极，正午十二点钟，是日出还是夕阳呢？
Alaska in winter. The time is mid-noon. I couldn't tell if this is sunrise or sunset!
这是被月亮和上方北极光照亮的努纳武特冬天的风景，。
This is Nunavut's landscape in winter, lit by the moon and northern lights above.
这是被月亮和上方北极光照亮的努纳武特冬天的风景，。
This is Nunavut's landscape in winter, lit by the moon and northern lights above.
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