文章列表

• 1.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 g...
• 2.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 l...
• 3.英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—5
• They can afford to--adult ravens seem to lack natural enemies. Time for a quick brush-down and they're all done--well, almost. Before man took his fir...
• 4.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...
• 5.英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—3
• Fat, laid down last summer provides energy during the meager winter months, but not all will make it. Further north, another cold weather survivor tru...