Middle of winter, the lake ice surface common, Kennedy viable people.
隆冬时节，潭面常见冰层，坚可行人。
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。
The lake was covered with a sheet of ice.
湖面上覆盖着一层冰。
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。
The ice of the lake melted off.
湖里的冰化完了。
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。
We went ice skating on a frozen lake.
我们去结冰的湖面上溜冰了。
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。
A thin layer of ice formed over the lake.
湖面上凝结了一层薄冰。
Ice skimmed the lake at night.
晚间湖面上结了一层薄冰。
The "ice road" across Lake Ladoga let some supplies in and people out.
横跨拉多加湖的冰路使一些供给能够进入城市，也让一些市民出去。
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。
At the end of the glacier's deeply crevassed snout sits a glacial lake, coated with ice in this wintertime picture.
在冰川深裂缝末端，最后形成了一个冰川湖，在这张图片上，湖泊被冬天洁的冰盖住了。
'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。
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。
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