An arctic tern, on its 20,000 km flight from the extreme south of South America to the Arctic circle, will take no notice of a nice smelly herring offered from a bird-watcher's boat along the way.
北极燕鸥在从南美洲的最南端飞往北极圈的路线全长2万公里，但燕鸥这一路上都不会留意观鸟船送来的散发臭味却又可口的鲱鱼。
The bathroom, with its spartan pre-war facilities, is positively arctic.
这个有简陋战前设施的浴室实在冷极了。
Finally, you climb into an arctic-like zone with permanent snow and the glaciers that may soon disappear.
最后，你会爬到一个类似北极的区域，那里有着永久性的积雪和可能很快消失的冰川。
Each December, while darkness engulfs the arctic, Antarctica enjoys round-the-clock sunlight.
每逢十二月，当黑夜笼罩在北极上空，南极洲就开始享受着极昼的阳光。
Conversely, he said, mammals that live in arctic regions develop a layer of fat to insulate against the cold.
他还说：相反，居住在北极地区的哺乳动物长出了一层脂肪，起到了御寒的作用。
These changes make polar bears less capable of surviving in a rapidly warming arctic, according to the study.
根据研究，这些变化使得北极熊在迅速变暖的北极地区生存举步维艰。
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；
Apart from the resident birds, South Africa hosts birds from further north in Africa, the arctic, Europe, Central Asia, China and Antarctica during the year.
除了留鸟，南非全年都“接待”来自非洲最北部、北极、欧洲、中亚、中国和南极洲的各种鸟类。
An arctic tern on its way from Tierra del Fuego to Alaska, for instance, will ignore a nice smelly herring offered from a bird-watcher's boat in Monterey Bay.
举例来说，从火地岛前往阿拉斯加的北极燕鸥会无视蒙特利湾观鸟船送出的美味鲱鱼。
And Nicklen, a contributing photographer for the National Geographic, is passing along a message from the creatures he sees in the Arctic and Antarctica: They're in trouble.
Nicklen作为一位美国国家地理杂志卓有贡献的摄影师，正向我们传递来自两极动物的讯息：它们的生存面临威胁。
These were my Arctic adventures.
这就是我在北极的冒险经历。
A baby harp seal rests on the Arctic ice.
一只海豹宝宝趴在北冰洋的冰块上。
The Arctic is at the epicentre of climate change.
北极处于气候变化的震中。
They flew over the unlimited reaches of the Arctic .
他们飞过了茫茫无边的北极上空。
The study also shows that it is possible to slow Arctic melting.
该研究还表明，减缓北极的融化是有可能的。
A midnight rainbow near the Arctic Circle appeared in northern Finland.
芬兰北部地区日前出现了一幕午夜高空长时挂彩虹的罕见场景。
A a midnight rainbow near the Arctic Circle appeared in northern Finland.
芬兰北部地区日前出现了一幕午夜高空长时挂彩虹的罕见场景。
The Arctic foxes feed mainly on birds, birds' eggs and other small animals.
北极狐主要以鸟类、鸟蛋和其他小动物为食。
We have been out on the ice since March and the Arctic summer is nearly here.
从三月份到现在我们一直在冰原上，而北极的夏天正日益临近。
Scientists say the Arctic is warming twice as fast as the rest of the planet.
科学家称北极变暖的速度是地球其他地区的两倍。
When you think of the Arctic (北极), you imagine an icy land of pure white snow.
当你想到北极，你会想象出一片纯白的冰雪之地。
As Arctic sea ice melts, the darker ocean absorbs more sunlight and speeds melting.
覆盖在北极海面上的冰雪融化后，颜色更深的海水将吸收更多的阳光，从而加速了融化进程。
Arctic terns also follow a zigzagging route on their spring trips back to Greenland.
在春季，北极燕鸥沿着曲折的路线返回格陵兰群岛。
In the cold, dark waters of the Arctic, life abounds as it has for millions of years.
在北极圈寒冷黑暗的水域中，生命像百万年来那样一直繁盛。
Scientists fear that the shifting Arctic climate could threaten the species' survival.
科学家们担心，北极气候的不断变化可能会威胁物种的生存。
The photographs serve as a stark reminder of how global warming is changing the Arctic.
这些图片可以提醒我们全球变暖正在如何改变着北极。
The photographs serve as a stark reminder of how global warming is changing the Arctic.
这些图片可以提醒我们全球变暖正在如何改变着北极。
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