标签：国家地理 相关文章
Costa Rica, 1986. 30 years after Doctor Cur's fateful African trip, graduate students from the University of Miami are on a field trip exploring caves. Moving ahead of the group, 24-year-old Inn-Saing Ooi climbs into a deep crevasse . He's not alone.
国家地理2007年
F15-E. They started to come out only at night. They started to take advantage of environmental conditions which made it difficult for us to see them. And they began to move their operations' areas farther north. The intense air attacks on Scud sites
国家地理2007年
Today in England witchcraft and its more modern incarnation Wicca are pagan religions. Wiccans worship the Gods and spirits of nature. In return for their faith, the spirits grant them the power of magic. It was this power that first drew Gaylice Kar
国家地理2007年
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自然百科2013年
Transcript by myconsent (Your suggestion on improving this transcript is welcomed!) From the playful to the practical. To the cute, to the honored, dogs are everywhere in America. Today there are about 70 million dogs in United States alone, one for
国家地理2008年
Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. Thats true of most golf courses. But lets look at one t
国家地理2008年
OK, we are back in the world of the Cyanea octopus. It's mating time. Here's your potential conquest. She doesn't know you're alive. She's too busy cleaning trash from her house. Now you are the perceptive type. You use your sensitive disks for any s
国家地理2007年
Call them twisters or tornadoes. They're nature's most violent storms with swirling winds that can top 300 miles per hour. About 800 twisters sweep through the US every year, more than anywhere else in the world. The hardest-hit area is a swath of th
国家地理2007年
Very roomy. For a single-seat fighter it's spacious. Plenty of room to lay out stuff we carry with us. The nose is cut and you won't see any perpendicular surfaces go around. The four probes in the front are not machine guns. And they are not hologra
国家地理2007年
In South Korea, a land where Buddhism and Christianity reign, many still turn to the old folk beliefs of Shamanism, believe in a world inhabited by spirits. But to become a Korean Shaman, a believer must pass an initiation, called the naerim kut, a r
国家地理2007年
(There's also a piece of safety wire that, em, showed up on the X-ray. So we have to...) In fact just the opposite proved true, the number of air planes ready to fly at any given time actually increased during the war. F-15s went from an 85 percent p
国家地理2007年
Hundreds of coalition airplanes were in the sky at any one time. Airborne warning and control system airplanes better known as AWACS kept air traffic straight. Largely thanks to AWACS there were no air-to-air friendly fire incidents during the Gulf W
国家地理2007年
So while the thought of paying taxes can make some of us groan, it's unavoidable, and an integral part of being an American. This is part of being a member of this society. You have an obligation -- it's a price you're paying for living in this socie
国家地理2007年
Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang
国家地理2007年
This is Shaun Ellis. He's done something few would dare and even fewer understand. His passion for these animals has led him to live life as a wolf. For me personally, it's cost family, home, security, financial commitment. Everything is gone. But yo
国家地理2007年
They decided to cover a journey of almost 200 kilometers by foot, to Samlh Ossaily's childhood home of Quiou Town, the heart of Sierra leone's diamond country. But mining and war have changed what was familiar territory beyond recognition.-When I saw
自然百科2013年
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自然百科2013年
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
自然百科2013年
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
自然百科2013年
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
自然百科2013年