tundra

North American subspecies of tundra swan having a soft whistling note.

冻原天鹅的北美洲亚种,以其柔和的鸣叫著名.

Overcome treacherous obstacles of the frozen tundra. bursting geysers , raging snowballs and exploding avalanches.

穿过冰原上的各种危险的障碍:突发的冰泉 、 来势汹汹的雪球以及大雪崩.

These are Tundra Buggies, designed to bring people to polar bears.

这些是苔原车, 用于携带研究者接近北极熊.

Long periods of darkness and bitter cold are the major threats to life on the tundra.

长期的黑暗和刺骨的严寒对在冻土带上生活是两大最主要的威胁.

It is this thin layer of active soil that supports all living things on the tundra.

正是这被太阳晒暖了苏醒过来的薄薄的一层土壤养活着冻土带上的一切生物.

A polar bear plays on the tundra near Churchill, Manitoba, Canada.

加拿大中南部马尼托巴湖附近的一只北极熊正在冻土上玩耍.

Coastal tundra of the northern boreal climate.

北部沿海地区属寒带苔原气候.

The animal life on the tundra is unusually rich an environment that seems so harsh.

在这种非常恶劣的环境中,冻土带上动物的生活却非常充实.

Because of the intense cold subsoil of the tundra remains permanently frozen to a great depth.

由于酷寒,冻土带的下层土都冻得很深.

On four legs, they resemble the great timber wolves that make the tundra their home.

当他们四足的时候, 象来自冻土地带的森林巨狼.

Treeless regions found in and around the Arctic tundra s are among Earth's coldest, harshest biomes.

这片光秃秃的地区在北极附近,是地球上最寒冷, 最荒芜的生物群落区之一.

Unlike energy, you can't drill deeper in the ocean or under Arctic tundra for more food.

和能源不同, 你不可能到海洋深处或北极冰原去获取更多的粮食.

Flocks of snow geese migrate from arctic tundra to the central valley of California every winter.

年年雪雁从极北的寒冻来到中加州山谷过冬.

Gley soils are typical of tundra , meadows, and boggy areas.

该种土壤是苔原 、 草地以及沼地所特有的.

Frost flecked tundra pools dot the landscape of Canada's North Yukon National Park.

斑点状霜冻的苔原水池点缀了加拿大北育空公家公园的风景.

The Tundra Times, a weekly newspaper in Alaska, ceased publication this week.

阿拉斯加的周报《苔原时报》本周停刊了。

GameSpy: You've unveiled three tile sets for the new game : tundra , redrock, and swamp.

你已经展示了三种地形, 冻土, 火星地表, 沼泽.

Oil from beneath the tundra is very important to the nations'development.

来自冻土带下面的石油对美国的发展至关重要.

They just chomp on tundra, nap a few hours and feast again.

它们只是在苔原上大嚼特嚼, 睡上几小时,接着再吃.

Wilderness forests give way to arctic tundra in the Far North.

原生森林一直延伸到极远的北方始由极地草原取代.

How will the lifecydes of the tundra be affected?

冻土带的生命循环将受到怎样的影响 呢 ?

The arctic tundra is at the top of the world around the North Pole.

北极冻原是指北极点周边的地区,是世界最高的地方.

A plant that grows more than three feet about a meter is unusual on the tundra.

一种植物若能长得超过了三英尺,这在冻土带上就是很不平常的了.

There we sat at night in the tundra, in the snow, back to back.

那时我们夜里在冰原的雪上背靠背的坐着.