文章列表

• 1.英语听力：自然百科 罕见的树袋鼠 -2
• Papua New Guinean Gabriel Porolak handles the captured male. He is the Tree Kangaroos Conservation Program Research Coordinator and a key figure in th...
• 2.英语听力：自然百科 罕见的树袋鼠 -1
• High in the northern mountains on the island of New Guinea, in the cloud forest lives an elusive animal found no where else in the world. (Hello!) Wit...
• 3.英语听力：自然百科 喜马拉雅冰川融化加剧
• Mount Everest looms in the distance. Its snow and ice-capped peak gleams in the sunshine. The Himalayan glacier is a fragile ecosystem, which environm...
• 4.英语听力：自然百科 马尔代夫的未来
• As dawn breaks, fishermen work furiously to hauling tuna. But while the fish may seem plentiful, there is trouble on the horizon. Fishermen were the f...
• 5.英语听力：自然百科 纪念《物种起源》面世150周年
• One of the most iconic animals of the Galapagos Islands is the Giant Tortoise. Charles Darwin wrote of this tortoise in his famed report , Origin of S...
• 6.英语听力：自然百科 淘金沉船
• Archaeologists in Canada's Yukon have found whats believed to be the only untouched shipwreck from the Klondike Gold Rush, made famous by writers Jack...
• 7.英语听力：自然百科 佛罗里达州的温泉（四）
• The cormorant gives up for now. The bird has been foiled by the clarity of the water, the very thing that enables the manatee to thrive. The light thr...
• 8.英语听力：自然百科 佛罗里达州的温泉（三）
• Some springs would eventually emerge in saltwater, more than 20 miles offshore. Here pirates once dropped buckets overboard. It's one of the very few ...
• 9.英语听力：自然百科 佛罗里达州的温泉（二）
• The divers started in the ocean, but they are now within solid bedrock, 150 feet beneath someone's living room. They are now swimming in the water sup...
• 10.英语听力：自然百科 佛罗里达州的温泉（一）
• Why does Florida have so many springs? Florida sits on a layer of porous limestone which acts as an underground reservoir or aquifer. This aquifer can...