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国家地理 水中长城
Members of a Beijing diving club had the chance to experience China's Great Wall 北京潜水俱乐部的会员有机会通过他人少有的方式体验长城， in a way few others have by exploring a section of the landmark that was submerged in t
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国家地理 生存危机下的人体反应
In animals, this part of the brain evolved around the time of the dinosaurs before mammals existed. 对动物来说，大脑的这一部分在哺乳动物还不存在的恐龙时代就已经在进化了。 It's hardwired to beat starvation. For three
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国家地理 "环保"的高尔夫球场
Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. 许多美国人喜欢打高尔夫球。但是高尔夫球场对环境不是那么好， They demand a lot of fresh water, fertilizers and herbici
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国家地理 温室效应导致花种减少
In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, 科罗拉多州中部巍峨的高山上，自然的力量创造了一幅美丽的风景画，有着高山湖， high-altitude ponds teeming with life
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国家地理 阿尔卑斯山见证气候变化危机
It's time for these men to get ready for work, and work means hanging off a cliff at 10,000 feet. 这些人工作的时间到了，工作意味着悬挂在10,000英尺高的悬崖上。 High in the Austrian Alps, these men are trying to rescue a hist
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国家地理 海湾地区重兴珍珠采集业
Tucked away in the United Arab Emirate's northernmost region, 在阿拉伯联合酋长国的北部地区， a very delicate experiment is underway to bring some luster back to the region's pearl industry. 正在进行一个奇妙的实验，将会给该
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国家地理 蒙古族生活日渐消失
The herdsmen of Inner Mongolia have freely roamed the plains for many centuries with their livestock grazing on fertile grasslands stretching across the horizon. 几百年来，内蒙古的游牧民族一直在广阔的草原上徜徉，牲畜在延伸
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国家地理 特立尼达岛上的独特鸟类
Dawn on the tropical island of Trinidad. 热带岛屿特立尼达岛上，刚刚破晓。 Birds are arousing in the trees, calling, flashing brilliant colors amidst the endless shades of green, and Roger Neckles is arousing too. 鸟儿从树上苏醒过
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国家地理 退田护河
Out of the Blue Ridge Mountains in northwest Georgia, the cold waters of the Conasauga River descend toward Tennessee. 在佐治亚州西北部的蓝脊山外，Conasauga河冰冷的水静静地流向田纳西州。 Flowing back and forth across the
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国家地理 沼泽国家公园
The Florida Everglades are home to alligators, dozens of bird species, beautiful flowers and exotic plants. 佛罗里达沼泽地是美洲鳄鱼，几十种鸟类，美丽的野花和多种外来植物的家园。 It's easy to see what attracts peopl
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国家地理 南极生存大作战
In Antarctica, everyday is an Olympic one. 在南极，每天都像是奥运比赛。 These Emperor Penguins are near the end of a two-week fishing marathon, 这些企鹅们正处在为期两周的捕鱼马拉松的结尾， bringing food for their h
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国家地理 旅游业发展威胁吴哥窟未来
Cambodia's ancient temples at Angkor Wat are under threat from the large numbers of tourists who are now visiting the site. 由于游客众多，位于柬埔寨吴哥窟的古庙备受威胁。 There are fears that ongoing damage to the temples' soft
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国家地理 吉萨金字塔中的地下船
Visitors at Egypt's Giza Pyramids on Saturday got a rare opportunity. 周六，埃及吉萨金字塔的游客获得千载难逢的机会， They were able to catch a glimpse inside an underground chamber, 得以进入金字塔的地下室。 just sou
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国家地理 旱灾的成因与影响
Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. 干旱的迹象很微小很缓慢：地面干燥；水位下降；雨季不到；土地龟裂。 At its most basic, a drough
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国家地理 小鲸鱼错认游艇为母
Animal Conservationists in Australia expressed concern on Tuesday 澳大利亚动物保护主义者周二表示担忧， that a lost humpback whale calf separated from its mother could die within days, 一头离开母亲的失踪小鲸鱼可能几天之
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