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  • 英语听力:自然百科 阿根廷的化石天堂

    In the shadow of the Cerro Condor, a 600-meter-high limestone bluff in Patagonia, signs of life are few. But this wind-swept valley in Chubut province of Argentina is becoming one of the world's leading sites for paleontologists. Recent find showed t...

  • 英语听力:自然百科 2008机器人巡礼

    Humanize robots may once have been a figment of the imagination, but 2008 saw several robots bringing the concept a step closer to reality. In July, London Science Museum was the venue for the debut of some futuristic robots. figment:虚构的东西...

  • 英语听力:自然百科 Ancient Sea Life in Utah 探秘古犹他州

    Perhaps at first glance, you wouldnt expect to find evidence of marine animals in the area of deserts and canyons in southern Utah. But a team of paleontologists believe its the perfect spot. Led by National Geographic grantee Barry AlBright, they ar...

  • 英语听力:自然百科 Iceland Puffin Threatened 冰岛海雀

    On a sunny summer day, Iceland's Westman Islands seem a vision of serenity. But despite the placid appearance, this is in fact one of the most volatile places on earth: volcanic activity runs rampant in Iceland; earthquakes and eruptions occur freque...

  • 英语听力:自然百科 西撒哈拉的列车

    An iron ore(铁矿)train operating across the northwest African nation of Mauritania(毛里塔尼亚) forms a striking image sneaking its way through the Sahara desert. This desert train has had to be adapted to suit the harsh conditions that make...

  • 英语听力:自然百科 Bees Key to Better Missiles 蜜蜂:新武器的启示

    Honey bees are fairly placid insects when left alone. But if antagonized, they will react violently. Researchers from the University of Queensland in Australia are working to better understand honey bees vision, navigation, and, in particular, aggres...

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