自然科学篇：Thenewwayofgettingfreshwater
<p> <span word="Have">Have</span> <span word="you">you</span> <span word="ever">ever</span> <span word="seen">seen</span> <span word="the">the</span> <span word="new">new</span> <span word="way">way</span> <span word="of">of</span> <span word="getting">getting</span> <span word="fresh">fresh</span> <span word="water">water</span>? <span word="Here">Here</span> <span word="is">is</span> <span word="an">an</span> <span word="example">example</span>. <span word="First">First</span>， <span word="people">people</span> <span word="make">make</span> <span word="some">some</span> <span word="long">long</span> <span word="ponds">ponds</span>(池塘) <span word="which">which</span> <span word="are">are</span> <span word="about">about</span> <span word="half">half</span> <span word="a">a</span> <span word="meter">meter</span> <span word="deep">deep</span>. <span word="Then">Then</span> <span word="they">they</span> <span word="put">put</span> <span word="a">a</span> <span word="cover">cover</span>(盖子) <span word="over">over</span> <span word="each">each</span> <span word="pond">pond</span>. <span word="The">The</span> <span word="cover">cover</span> <span word="is">is</span> <span word="made">made</span> <span word="of">of</span> <span word="glass">glass</span> <span word="that">that</span> <span word="you">you</span> <span word="can">can</span> <span word="see">see</span> <span word="through">through</span>.</p><p> <span word="At">At</span> <span word="night">night</span>, <span word="sea">sea</span> <span word="water">water</span> <span word="is">is</span> <span word="taken">taken</span> <span word="into">into</span> <span word="the">the</span> <span word="ponds">ponds</span>.<span word="The">The</span> <span word="next">next</span> <span word="day">day</span>, <span word="the">the</span> <span word="hot">hot</span> <span word="sun">sun</span> <span word="shines">shines</span> <span word="through">through</span> <span word="the">the</span> <span word="covers">covers</span>.<span word="The">The</span> <span word="sun">sun</span> <span word="light">light</span> <span word="turns">turns</span> <span word="the">the</span> <span word="water">water</span> <span word="into">into</span> <span word="vapor">vapor</span>(水蒸气) <span word="that">that</span> <span word="goes">goes</span> <span word="up">up</span> <span word="from">from</span> <span word="the">the</span> <span word="ponds">ponds</span>. <span word="As">As</span> <span word="it">it</span> <span word="goes">goes</span> <span word="up">up</span>, <span word="the">the</span> <span word="vapor">vapor</span> <span word="becomes">becomes</span> <span word="mist">mist</span>(薄雾).<span word="On">On</span> <span word="the">the</span> <span word="inside">inside</span> <span word="of">of</span> <span word="each">each</span> <span word="cover">cover</span> <span word="the">the</span> <span word="little">little</span> <span word="drops">drops</span> <span word="of">of</span> <span word="mist">mist</span> <span word="run">run</span> <span word="together">together</span> <span word="to">to</span> <span word="make">make</span> <span word="big">big</span> <span word="drops">drops</span>. </p><p> <span word="People">People</span> <span word="then">then</span> <span word="collect">collect</span> <span word="these">these</span> <span word="big">big</span> <span word="drops">drops</span> <span word="through">through</span> <span word="a">a</span> <span word="special">special</span> <span word="conduit">conduit</span>(管道). <span word="Then">Then</span> <span word="the">the</span> <span word="ponds">ponds</span> <span word="are">are</span> <span word="ready">ready</span> <span word="for">for</span> <span word="the">the</span> <span word="next">next</span> <span word="day">day</span>'<span word="s">s</span> <span word="work">work</span>. <span word="As">As</span> <span word="we">we</span> <span word="know">know</span>, <span word="the">the</span> <span word="covers">covers</span> <span word="and">and</span> <span word="other">other</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="ponds">ponds</span> <span word="cost">cost</span> <span word="very">very</span> <span word="little">little</span>. <span word="Sea">Sea</span> <span word="water">water</span> <span word="and">and</span> <span word="the">the</span> <span word="sun">sun</span> <span word="cost">cost</span> <span word="nothing">nothing</span>. <span word="So">So</span> <span word="this">this</span> <span word="new">new</span> <span word="way">way</span> <span word="of">of</span> <span word="getting">getting</span> <span word="fresh">fresh</span> <span word="water">water</span> <span word="seems">seems</span> <span word="wonderful">wonderful</span>. </p>
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