英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—2

They disturb a falcon, which in turn disturbs the ravens. Apparently Siberia's 13 million square kilometers still isn't enough space. Howling, the wolf call to arms, gathers the pack and warns other wolves to back off. The chorus can carry for 10 kil

万花筒 2008-08-03&-08-04 中俄境内观测到日全食

Reuters. Thousands gathered in Novosibirsk in Siberia to see a rare solar eclipse. With eye protection and some looking through specially shielded telescopes, they waited until the moment the sun began to disappear in the middle of the day. A total s

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—12

After spending a year or so as larvae under water, they transform into winged adults and take to the skies. The millions of tiny flies attract far bigger animals. As they hold a mass mating orgy along the banks of the lake, brown bears come to feed o

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—11

Thousands of years of isolation turned them into a separate species. In the middle of the lake are the Ushkanyi islands. Here the seals form their colonies safe from human predation. After a dip in the lake, nothing beats a dry resting place on the l

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—7

In spring, as the weather finally warms, the rivers begin to unlock. Broken-ice makes handy barges for lazy water fowl. But the gaps in the ice also give golden-eye ducks a chance to fish. Soon, they are hunting in force. They are not the only ones b

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—6

The Yakut are an ancient people, thought to have migrated north to Yukutia around 700 years ago. And while most have become urbanized, 400,000 still live as traditional nomadic herders. The herdsmen must get the animals to new grazing before the snow

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—4

Even though the deer have a poor sense of smell, the musk manages to attract mates. Unfortunately, the human trade in musk glands has reduced the deer's numbers dramatically. And because only two thirds of the females have fawns each year, the popula

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—13

Away from the rocks and into the grasslands, the family of ground squirrels keep a watchful eye. At just three weeks old, four siblings have started to explore the world beyond their burrow. Like Meerkats in Africa, vigilance is key. They stay alert

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—16

Chipmunks aren't the top collectors of the forest. That prize probably belongs to the colonies of red ants. Worldwide, ants are so numerous their total weight is almost as much as the human population, a force to reckon with. Workers form a never-end

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—14

But hot tempers on a hot rock beats being on the outside trying to get in. This exclusive resort, isnt accepting new guests. Come evening, a cool mist hangs over the lake, as the last of the egg-laying caddis flies get picked off by ducks and bears.

英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—15

Thankfully the bear's appetite takes to the bigger prize. Tonight, they both get a share of the spoils. Late August, and as summer slides into autumn, the land around Baikal begins its transformation. Soft and rotting wood sprouts fast-growing fungus

2007年VOA标准英语-Sharapova Named UN Goodwill Ambassador

By Peter Heinlein United Nations 14 February 2007 The United Nations development aid agency has appointed tennis star Maria Sharapova as a goodwill ambassador. From U.N. headquarters, VOA's Peter Heinlein reports Ms. Sharapova made a cash donation to