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Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion people lack clean water-and in most cases the lack is just of cleanliness,rather than of the water itself. 超过十亿人口缺少饮用水，并且在绝大多数情况下缺少的只是纯净的水，而不是水本身。 The result is disease, particularly diarrhoea. This kills millions of children a year and stuntsthe growth of millions more. 其结果是给人们带来了疾病，特别是每年夺取数百万儿童性命并使更多的儿童生长发育受阻的腹泻。 Better water filters, then, could save many lives and improve many others, and Yi Cui ofStanford University thinks he has come up with one. 所以更好的滤水器就能挽救许多生命，提高人们的健康水平。而来自斯坦福大学的崔毅教授认为他已经研制出了这样的滤水器。 Traditional filters work by forcing water through pores to weed out bacteria. 传统的滤水器使水流流过微孔从而排除细菌。 That needs power, as well as frequent changes of the filter element as the pores fill upwith bugs. | 
