北极熊是陆地上最大的肉食性动物，比西伯利亚虎都要大两倍多！
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger!
然而研究发现，对于身体承受高强度体力消耗的人如马拉松运动员和在亚北极地区训练的士兵来说，服用维生素c可能降低得感冒的风险。
However, studies have found that it may lower the risk of catching a cold among people whose bodies are under high physical stress-think marathon runners or soldiers on subarctic exercises.
北极和亚北极这些高纬度地区是世界上最先经历气候变化的地方，因而引起了人们特别的兴趣。
The arctic and Subarctic are of particular interest because these high latitudes are among the world's first locations to begin experiencing climate change.
随着科学家从北极运来更多的沉淀物岩心，波里·亚克及其合作者想了解更多过去冰范围的详细信息，并将此类信息在时间上进一步向后追溯。
As scientists pull more sediment cores from the Arctic, Polyak and his collaborators want to understand more details of the past ice extent and to push this knowledge further back in time.
由东西伯利亚北极大陆架很浅，甲烷根本没有足够的时间来氧化，这意味着有更多的甲烷释放到大气中。
In the shallow East Siberian Arctic Shelf, methane simply doesn't have enough time to oxidize, which means more of it escapes into the atmosphere.
未来的流感大流行可能蛰伏在北极冰川或冻结的西伯利亚湖泊之中，等到气温升高就会复活，然后由鸟类重新传播到文明世界。
The next flu pandemic may be hibernating in an Arctic glacier or frozen Siberian lake, waiting for rising temperatures to set it free. Then birds can deliver it back to civilization.
塔妮亚以前只见过几场小雪，因为荷兰冬季降雪的季节恰好是北极熊冬眠的时候。
Tania had seen snow before but only very little as it mostly falls in the Dutch winter, when polar bears hibernate.
他到了世界各地，到了尼日利亚，澳大利亚，北极，印度，采集了成千上万的血液样本，希望能研究出什么来。
Round the world he went, to Nigeria, Australia, the Arctic, India, taking thousands of blood samples, hoping something would show up.
其中之一是奥克尼郡岛，苏格兰的北部，跟西伯利亚人分享部分祖先，可能是现代奥克尼郡人的祖先曾去亚洲或北极圈冒险。
One is that the people of the Orkney Islands, to the north of Scotland, share some ancestry with Siberians, possibly because some ancestors of modern Orcadians ventured to Asia via the Arctic Circle.
研究人员研究了东西伯利亚北极大陆架，西伯利亚以北的北冰洋的一段。
The researchers studied the East Siberian Arctic Shelf, a section of the Arctic Ocean just north of Siberia.
东西伯利亚北极大陆架除了存贮大量的冷冻甲烷，还有另一点令人忧虑的就是它很浅。
The East Siberian Arctic Shelf, in addition to holding large stores of frozen methane, is an additional concern because it is so shallow.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
当它在比以前更长的时间里保持不结冰的状态，它也会将更多的热量输入北极区的大气层，这就使北极区的气压变高，使冰岛低压和亚速尔高压之间的梯度变小。
As it remained clear for longer than usual it also bled more heat into the Arctic atmosphere. This caused higher air pressures, reducing the gradient between the Iceland low and the Azores high.
北极熊是陆地上最大的肉食性动物，比西伯利亚虎都要大两倍多！
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger.
据一家德国报纸报道，努特很快就要结束单身生活了，慕尼黑的北极熊季亚娜会来给他做伴。
According to a German newspaper, Knut will soon cease to be alone, as polar bear Gianna from Munich is to be his partner.
后更名为“卡拉辛”号的“斯维亚托·戈尔”号是俄国第二艘北极破冰船，建造堪称精良。
Ship 'Svyatogor' that was renamed into 'Krasin' later is the second Polar ice-breaker in Russia with the most perfect construction.
捕猎依努皮亚鲸鱼的猎人们为滞留的北极熊留下食物。
A whale carcass left by Inupiaq whale hunters provides food for the stranded polar bears.
“因为有北极熊，这儿不放别的东西。”艾里亚的妻子珍妮告诉我。
"Not much else is kept here because of the Nanook, the polar bears," Jeanie, Eliyah's wife tells me.
伊万诺维奇是一名生活在偏远的俄罗斯亚马尔半岛的驰鹿游牧民。亚马尔半岛位于西伯利亚西北，是北极冻原上一片广阔荒凉的不毛之地。
Ivanovich is one of a group of nomadic reindeer herders who live in Russia's remote Yamal peninsula, a vast wilderness of frozen tundra in north-west Siberia.
南极这个名称来自亚里斯·多德，他把北极称为北方的“阿克·托斯”(Arktos，熊)，因为北极坐落于大熊星座之下。
The name Antarctica came from Aristotle, who called the arctic north "Arktos" after "the bear", the constellation it lay under.
澳大利亚墨尔本大学的研究员詹姆斯·斯克林（JamesScreen）是这项研究的主要负责人，他说：“在北极海冰是否处于临界点的问题上存在着激烈的辩论。
James Screen, a researcher at the University of Melbourne, Australia, who led the study, said: "The concept of Arctic sea ice having a tipping point is still hotly debated.
一般认为，超过一半的石油储量分布在3个地理区域——西西伯利亚盆地，东白令盆地以及阿拉斯加的北极圈以内地区。
More than half the oil reserves are believed to occur in three geologic areas - the West Siberian Basin, the East Barents Basins and Arctic Alaska.
一篇美俄的最新报道称，由于气候的变化，曾经坚固的土地开始破裂，截止到2050年，北极地区和西伯利亚地区的建筑将会受到毁灭性的影响。
Ground that was once solid is crumbling due to climate change, and the impact for buildings across Arctic and Siberian regions will be 'devastating' by 2050, says a new US-Russian report.
但研究人员确实找到了支持长跑运动员、滑雪者或部署在亚北极地区士兵预防性服用维生素C的证据。
Explain that the researchers did find evidence to support vitamin C prophylactic use among long distance runners, skiers, or soldiers deployed to sub-artic regions.
班克斯岛：加拿大西北领地西北部一岛屿，位于北冰洋内维多利亚岛以西。是北极群岛最西的岛屿。
An island of northwest northwest Territories, Canada, in the Arctic Ocean west of Victoria island. It is the westernmost island of the Arctic Archipelago.
加拿大西北领地西北部一岛屿，位于北冰洋内维多利亚岛以西。是北极群岛最西的岛屿。
An island of northwest northwest Territories, Canada, in the Arctic Ocean west of Victoria island. It is the westernmost island of the Arctic Archipelago.
当科学家们飞到遥远的西伯利亚研究永久冻土带时，他们发现了一处一直在膨胀的北极湖。
When scientists fly into remote areas of Siberia to study permafrost, they gaze down on an endless expanse of arctic lakes.
在加拿大北极群岛岛屿的领土，包括银行岛，伯顿岛，帕特里克王子岛和维多利亚岛和梅尔维尔岛部分。
Territorial islands in the Canadian Arctic Archipelago include Banks island, Borden island, Prince Patrick island, and parts of Victoria island and Melville island.
在加拿大北极群岛岛屿的领土，包括银行岛，伯顿岛，帕特里克王子岛和维多利亚岛和梅尔维尔岛部分。
Territorial islands in the Canadian Arctic Archipelago include Banks island, Borden island, Prince Patrick island, and parts of Victoria island and Melville island.
应用推荐