They are now trying to prove the viruses found in lake ice can actually survive well enough to re-infect birds when the ice melts.
他们现在正在努力证明，在湖冰中找到的病毒确实能很好地活下来，在冰融化之时再次感染鸟类。
They are now trying to prove the viruses found in lake ice can actually survive well enough to re- infect birds when the ice melts.
他们现在正在努力证明，在湖冰中找到的病毒确实能很好地活下来，在冰融化之时再次感染鸟类。
When they tested their theory with Siberian lake ice in 2006, they found an influenza virus almost identical to one that had infected people in the 1930s, and again in the 1960s.
2006年，以西伯利亚湖冰来验证自己的理论时，他们发现，有一种流感病毒和曾经在二十世纪三十年代感染人类，又在六十年代再次出现的一种病毒几乎一样。
Moose reached Isle Royale in Lake Superior by crossing over winter ice and multiplied freely there in isolation without predators.
麋鹿穿过冬天的冰雪，到达苏必利尔湖的皇家岛，在那里，它们没有天敌，自由繁殖。
Elsewhere in Antarctica, Russian researchers boast of their recent discovery of a freshwater reserve the size of Lake Ontario after drilling through miles of solid ice.
在南极洲的其他地方，俄罗斯研究人员炫耀他们最近在钻穿数英里厚的冰层后，发现了一个面积如安大略湖的淡水区。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
There is less ice on Lake Superior during the winter, and consequently the water absorbs more heat.
说，“整个冬季苏必利尔湖面上冰不多，因此水会吸收更多的热量。”
A blonde wanted to go ice fishing, so after getting all of the right gear, she headed toward the nearest frozen lake.
有个金发女郎想玩破冰钓鱼，于是做好了一切准备，就出发来到最近的一个结了冰的湖泊上。
'Usually for ice diving it's mandatory to use a rope but here the lake is not completely closed.
通常情况下冰川潜水是必须要使用绳索的，但是这里的这个湖并不是完全封闭的。
A 30-tonne (33-ton) chunk of ice broke off from the Tasman Glacier, and slid into Tasman Lake.
塔斯曼冰川上，重达30公吨(33吨)的冰块被折断，滑入塔斯曼海。
No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
没有人非常了解为什么冰架这么迅速的融化，也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
Anyone who has ever walked on a frozen lake, gone ice skating or tried curling knows that ice is slippery and that it takes practice to move with any kind of confidence.
任何在结冰的湖面行走过、滑过冰或者玩过冰上掷石游戏的人都知道冰很滑，在上面行走需要点儿信心。
So evenduring the ice ages, life continued to thrive on lake floors and in thedeep ocean.
因此，即使在冰河期，湖面和深海的生命体也得以延续。
Five-hour glacier treks bring you up close and personal to the glacier's myriad peaks, fissures and, if you're lucky, the ice cavern the lake hollows underneath, all effusing an ethereal blue glow.
五个小时的艰辛的冰川行走让你近距离的与冰峰冰峡亲密接触，如果你够幸运，可以一访冰洞下的湛蓝，空灵的湖泊。
The ice broke into many smaller icebergs after falling into Tasman Lake.
冰川碎成许多小的冰山滑落到塔斯曼湖。
This hungry fox ended up a victim of the sub-zero temperatures when it chased a duck across an ice-covered lake - and froze to death.
一只饥饿的狐狸在结冰的湖面追赶野鸭，结果冻死在冰点下的水中。 图片由摄影师蒂姆·伍德科克于南安普顿的汉特斯附近的阿什利特水塘处拍得。
The project will attempt to artificially build "naleds, " a Russian term for super-thick sheets of ice that naturally form when water flows atop a frozen river or lake.
该工程将试图人工建造一个“naleds”。 该词源于俄语，是指流水经过冰冻的河流或湖泊而自然形成的超厚冰层。
Members of the Berlin Seals (Berliner Seehunde) swimming club take a dip in icy Orankesee lake during their traditional Christmas Day ice swim on December 25, 2010 in Berlin, Germany.
2010年12月25日，德国柏林的“柏林海豹”游泳俱乐部的成员浸在冰冻的Orankesee湖内，这是他们的圣诞日传统活动。
It's a landscape of naked trees, solid-set rivers and countless ice-lipped lakes (the province of Ontario - a native word for "sparkling lake" - holds a third of the world's fresh water).
景色中有凋零的树木，冰冻的河流和无数冰封的湖泊。安大略省在土语中的意思就是“闪光的湖泊”，这里的淡水储量占全球的三分之一。
Originally great ice-fields blocked the western end of the lake - today its glacier-fed waters drain into the Pacific Ocean.
最初大片的冰块堵住了湖西面的尽头，现如今这些冰川水都汇入了太平洋。
But here they were, drinking themselves warm on whisky and eating the fatty innards of a lake predator as if they were ice fishermen from a century ago.
但是他们在这里喝着威士忌使自己暖和，好像一个世纪前的渔夫一样。
The optimal drilling site has to avoid possible areas of incoming water that would disturb the sediment, as well as areas of basal freezing, where lake water freezes to the underside of the ice.
最好的钻位是能避开有水的区域，因为水会破坏沉积物，也就是在完全冰冻的位置最好。
A meltwater lake on the Greenland ice sheet that contained 44 billion litres and covered 5.7 sq km gurgled away within 24 hours in 2006.
格陵兰大冰原上有一个融水湖泊，容量达440亿升，覆盖面积达5.7平方公里，在2006年，仅仅用了24小时就流光了。
Because the ice continues to dissolve, the delicate layer of ice covering the shallow lake implies that it is impossible to hold an amusing skating race.
由于冰在不断融化，覆盖在这片浅湖上的这层薄冰说明不可能在这举行一场充满乐趣的滑冰比赛。
Members of Berlin's ice swimming club Berliner Seehunde (Berlin seals) take a dip in Orankesee lake on Christmas day.
柏林冬泳俱乐部——“柏林海豹”的成员于圣诞节那天，在Orankesee湖中游泳。(安如)延伸阅读：学地道英文必看10部美剧！
Water from Lake Erie began to flow north to Lake Ontario as a result of the loss of the ice barrier.
来自伊利湖的湖水由于冰堡的流失而奔向地处北方的安大略湖。
Water from Lake Erie began to flow north to Lake Ontario as a result of the loss of the ice barrier.
来自伊利湖的湖水由于冰堡的流失而奔向地处北方的安大略湖。
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