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This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they
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Song：Through My Window Artist：Sandra Oxenryd When life is a road going nowhere I'm alone though youre gonna be right here you'are my baby When life is a road going somewhere All alone I have to hold on to go on I'm looking through my window What
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A: What is the efficiency of this product line？ B: It's about 85%. A：这个生产线的效率是多少？ B：差不多85%。 2.Labor costs 人工成本 A: Why do we have such high labor costs？ B: Our labor workers were from the state owned enterprise. A：我们的人工
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China's first permanent magnetic monorail train has successfully completed a test run in the city of Qingdao, in Shandong Province. The high-tech urban transportation system features strong climbing capacity, a small turning radius, energy efficiency
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By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr
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Here in the open, cool as a hand in the dark Near as the voices that hang in the air They're coming through Caught in a moment Sweetness and weakness are high Gone like a shadow that followed me there They're coming through you Constantly killin' me
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