1·For centuries he braved arctic cold, tropic heat and inhuman privations to wrest gold from the earth.
几个世纪以来，他冒着北极的严寒、热带的酷暑和非人的贫困，从地球上攫取黄金。
2·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。
3·The inhabitants of the Arctic are known as the Inuit. The singular is Inuk.
北极居民被称作，其单数形式是。
—— 《柯林斯英汉双解大词典》
4·Is this the end of Arctic summertime sea ice?
北极夏季海冰即将消失了吗？
5·One day, Miss Moon and Anna went to the Arctic.
有一天，月亮姐姐与安娜来到了北极。
1·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。
2·It's the race for Arctic oil.
这就是北极圈石油之争。
3·Some 10,000 pairs of the birds, called fulmars, a kind of Arctic seabird, make their nests on Devon Island, north of the Arctic Circle.
在北极圈以北的德文岛上大约有一万对鸟在那里筑巢，它们被称为管鼻鹱，是一种北极海鸟。
4·"So global warming could produce more air pollution in the arctic," she said.
“因此，可以说全球变暖加重了北极圈的空气污染。”她说道。
5·More pleasingly still, the first images it sent back could have come out of a geography textbook's chapter on arctic terrain.
更加高兴的是，在其发回的第一个图片中的影像仿佛就像是来自地理书中北极圈图片一样。