文章列表

• 1.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 wol...
• 2.英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—1
• Russia, inaccessible to the rest of the world for so long. Now open borders spill its secrets. In its heart lies a place of surprises, Siberia. Not on...
• 3.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—21
• Blizzardcam nearly met its match with the most playful bear it's ever encountered. The bear wanted to know how it worked. Blizzardcam deployed snowbal...
• 4.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—20
• The mother and cub are thrown a lifeline by a change in the weather and ocean currents. It is a huge swim out to the ice floes for the little cub. He ...
• 5.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—19
• Finally she leaves him some scraps to chew on. A young male arrives, a dangerous situation for the cub. She growls a warning. Its not enough. The cub ...
• 6.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—18
• Calcium from the bones will help the mother's milk supply, but the cub needs meat to survive. Now they have another problem. Other bears can't be trus...
• 7.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—17
• At last, there is hope. They have finally reached the pack-ice that forms the polar icecap. Its the ultimate hunting habitat for polar bears. The icec...
• 8.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—16
• But it's not enough. For a hunting bear, it doesn't get much worse than this. The seal could hardly fail to notice. But this battle-hardened seal is i...
• 9.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—15
• Time for kick off. It's polar bear football. Their ball control needs practice. But they are experts at dribbling. The game descends into argument. Th...
• 10.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—14
• This is a high-risk strategy. Like the male at the whale carcass, some bears don't do sharing. She stands up to make herself look bigger. The cub copi...