新技术能用雨滴发电，1滴雨点亮100个灯泡？
<p><span word="Tapping">Tapping</span> <span word="into">into</span> <span word="the">the</span> <span word="water">water</span> <span word="cycle">cycle</span> <span word="and">and</span> <span word="generating">generating</span> <span word="electricity">electricity</span> <span word="from">from</span> <span word="rainy">rainy</span> <span word="days">days</span> <span word="could">could</span> <span word="be">be</span> <span word="one">one</span> <span word="way">way</span> <span word="to">to</span> <span word="grow">grow</span> <span word="our">our</span> <span word="renewable">renewable</span> <span word="energy">energy</span> <span word="use">use</span>.</p><p>利用水循环在雨天发电可以成为利用可再生能源的方法。</p><p><span word="Until">Until</span> <span word="now">now</span>, <span word="scientists">scientists</span> <span word="have">have</span> <span word="been">been</span> <span word="unable">unable</span> <span word="to">to</span> <span word="get">get</span> <span word="water">water</span> <span word="droplets">droplets</span> <span word="to">to</span> <span word="produce">produce</span> <span word="a">a</span> <span word="significant">significant</span> <span word="amount">amount</span> <span word="of">of</span> <span word="power">power</span> - <span word="but">but</span> <span word="we">we</span> <span word="may">may</span> <span word="finally">finally</span> <span word="have">have</span> <span word="a">a</span> <span word="breakthrough">breakthrough</span>.</p><p>科学家到目前为止还不能利用水滴大量发电，但我们可能终于有所突破了。</p><p><span word="While">While</span> <span word="we">we</span>'<span word="re">re</span> <span word="still">still</span> <span word="a">a</span> <span word="long">long</span> <span word="way">way</span> <span word="from">from</span> <span word="umbrellas">umbrellas</span> <span word="that">that</span> <span word="double">double</span> <span word="up">up</span> <span word="as">as</span> <span word="generators">generators</span>, <span word="the">the</span> <span word="latest">latest</span> <span word="approach">approach</span> <span word="shows">shows</span> <span word="there">there</span> <span word="might">might</span> <span word="be">be</span> <span word="a">a</span> <span word="way">way</span> <span word="to">to</span> <span word="get">get</span> <span word="power">power</span> <span word="from">from</span> <span word="rain">rain</span> <span word="showers">showers</span> <span word="at">at</span> <span word="a">a</span> <span word="level">level</span> <span word="of">of</span> <span word="efficiency">efficiency</span> <span word="that">that</span> <span word="makes">makes</span> <span word="these">these</span> <span word="systems">systems</span> <span word="practical">practical</span>.</p><p>虽然我们还不能把雨伞变成发电机，但最新的方法表明可能有了利用雨水发电的有效可行的方法。</p><p><span word="New">New</span> <span word="research">research</span> <span word="has">has</span> <span word="found">found</span> <span word="a">a</span> <span word="method">method</span> <span word="that">that</span> <span word="could">could</span> <span word="generate">generate</span> <span word="enough">enough</span> <span word="power">power</span> <span word="from">from</span> <span word="a">a</span> <span word="single">single</span> <span word="droplet">droplet</span> <span word="of">of</span> <span word="rain">rain</span> <span word="to">to</span> <span word="light">light</span> <span word="up">up</span> 100 <span word="LED">LED</span> <span word="bulbs">bulbs</span>. <span word="That">That</span>'<span word="s">s</span> <span word="a">a</span> <span word="big">big</span> <span word="jump">jump</span> <span word="forward">forward</span> <span word="in">in</span> <span word="efficiency">efficiency</span>, <span word="in">in</span> <span word="the">the</span> <span word="region">region</span> <span word="of">of</span> <span word="several">several</span> <span word="thousand">thousand</span> <span word="times">times</span>.</p><p>新的研究发现了一种方法，用1滴雨发的电能点亮100个<span word="LED">LED</span>灯泡。效率大大提高了，大约是以前的几千倍。</p><p>"<span word="Our">Our</span> <span word="research">research</span> <span word="shows">shows</span> <span word="that">that</span> <span word="a">a</span> <span word="drop">drop</span> <span word="of">of</span> 100 <span word="microlitres">microlitres</span> <span word="of">of</span> <span word="water">water</span> <span word="released">released</span> <span word="from">from</span> <span word="a">a</span> <span word="height">height</span> <span word="of">of</span> 15 <span word="centimetres">centimetres</span> <span word="can">can</span> <span word="generate">generate</span> <span word="a">a</span> <span word="voltage">voltage</span> <span word="of">of</span> <span word="over">over</span> 140<span word="V">V</span>, <span word="and">and</span> <span word="the">the</span> <span word="power">power</span> <span word="generated">generated</span> <span word="can">can</span> <span word="light">light</span> <span word="up">up</span> 100 <span word="small">small</span> <span word="LED">LED</span> <span word="lights">lights</span>," <span word="says">says</span> <span word="biomedical">biomedical</span> <span word="engineer">engineer</span> <span word="Wang">Wang</span> <span word="Zuankai">Zuankai</span> <span word="from">from</span> <span word="the">the</span> <span word="City">City</span> <span word="University">University</span> <span word="of">of</span> <span word="Hong">Hong</span> <span word="Kong">Kong</span> (<span word="CityU">CityU</span>).</p>
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