文章列表

• 1.英语听力：自然百科 神秘百慕大 bermuda triangle—3
• Gerrallan needs to escape the fast-developing cloud in order to survive. The tunnel was rapidly getting stronger, and it was a little lower at ten tho...
• 2.英语听力：自然百科 神秘百慕大 bermuda triangle—2
• In 1945, five Avenger torpedo bombers left from Fort Lauderdaleon a training mission, and they flew off into oblivion. We'regoing to fly east. We're f...
• 3.英语听力：自然百科 神秘百慕大 bermuda triangle—1
• In our world of scientific discovery, one mystery endures. The Hoodoo Sea, the Limbo of The Lost, some seeing mysterious forces at work, others the po...
• 4.英语听力：自然百科 神奇水世界 Water-15
• They could not lose. Resistance movements started. They would take over places like this and opened the sluice gate allowing the water to pour back do...
• 5.英语听力：自然百科 神奇水世界 Water-14
• Today we take our control of water for granted. Modern civilization couldn't exist without it. But there is still only a finite amount of water to go ...
• 6.英语听力：自然百科 神奇水世界 Water-13
• But as it grew, the Khmer Kingdom faced the stumbling block. When the monsoon finished each year, the fish and water would vanish. So each year, the i...
• 7.英语听力：自然百科 神奇水世界 Water-12
• And this was their greatest achievement: the legendary temple complex of Angkor. You know, a real sense of age of this place here. This was built over...
• 8.英语听力：自然百科 神奇水世界 Water-11
• It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the root...
• 9.英语听力：自然百科 神奇水世界 Water-10
• The key was adaptation. Rain. A familiar occurrence in many parts of the world. But this is rain at its most extreme, the monsoon. The significance of...
• 10.英语听力：自然百科 神奇水世界 Water-9
• But the human's struggle to pin down water is forever balanced on a knife edge. Get that balance wrong, and you pay the price. For all their ingenuity...