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

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.

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.

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.

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.

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.

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.

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.

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.

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 ?

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.

He pitched the tune in a lower key.

他把调子定得较低.

We always tune in at ten o'clock to hear the news.

我们总是在10点钟收听新闻.

Please pitch the tune in a lower key.

请把调门儿定低点儿.

Don't forget to tune in on Saturday 2 p.m. for the Match of the Year.

别忘记星期六下午两点收听本年度的最大赛事.

How many programmes does your TV tune in for?

你的电视收看多少套节目?

Tune in Qinghai Satellite TV 18 evening " a million dreams. "

敬请锁定18日晚青海卫视 《 一百万梦想 》.

Please tune in next time.

请下次收听.

Tune in to body messages and trust them.

协调并相信身体信息.

These areas tune in to and regulate women's hormones, heart rate , blood pressure , digestion and respiration.

女性的神经元杏仁核状神经丛和这些大脑区域沟通.

We usually tune in to the news.

我们一般收听新闻节目.