又到一年飞絮季 北京绘“杨柳地图” 力争到2020年改善
<p>又到了每年的飞絮季节，出趟门，像是在大雪天里行走。尤其是对过敏性鼻炎患者来说，在漫天飞絮中一边擦鼻涕，一边打喷嚏，画面简直不要太美。</p><p>为了应对这一状况，北京市已经绘制了在春天造成大范围飞絮的杨柳树雌株分布地图，力争到2020年使杨柳飞絮明显改善。</p><p><span word="Beijing">Beijing</span> <span word="has">has</span> <span word="mapped">mapped</span> <span word="its">its</span> <span word="female">female</span> <span word="poplar">poplar</span> <span word="and">and</span> <span word="willow">willow</span> <span word="trees">trees</span> <span word="to">to</span> <span word="try">try</span> <span word="to">to</span> <span word="contain">contain</span> <span word="catkins">catkins</span> <span word="that">that</span> <span word="descend">descend</span> <span word="on">on</span> <span word="the">the</span> <span word="city">city</span> <span word="each">each</span> <span word="spring">spring</span>.</p><p>北京已经绘制了杨柳树雌株的分布地图，试图控制在每年春天都出现的柳树和杨树飞絮。</p><p><span word="catkin">catkin</span>['<span word="k">k</span>æ<span word="tk">tk</span>ɪ<span word="n">n</span>]：<span word="n">n</span>. [植]柔荑花序（如柳絮等）</p><p><span word="The">The</span> <span word="Chinese">Chinese</span> <span word="capital">capital</span> <span word="has">has</span> <span word="been">been</span> <span word="blanketed">blanketed</span> <span word="by">by</span> <span word="catkins">catkins</span> <span word="each">each</span> <span word="spring">spring</span> <span word="for">for</span> <span word="decades">decades</span>.</p><p>几十年来，北京每年春天都深受杨柳飞絮的困扰。</p><p>很多网友纷纷在网上吐槽，春天有一种痛，叫会呼吸的痛……</p><p><span word="The">The</span> <span word="trees">trees</span> <span word="were">were</span> <span word="planted">planted</span> <span word="in">in</span> <span word="the">the</span> 1960<span word="s">s</span> <span word="and">and</span> 1970<span word="s">s</span> <span word="as">as</span> <span word="a">a</span> <span word="cheap">cheap</span>, <span word="easy">easy</span>-<span word="to">to</span>-<span word="maintain">maintain</span> <span word="and">and</span> <span word="quick">quick</span>-<span word="growing">growing</span> <span word="way">way</span> <span word="to">to</span> <span word="make">make</span> <span word="Beijing">Beijing</span> <span word="greener">greener</span>.</p><p>这些树木是在上世纪六七十年代种植的，因为这种绿化树木对北京来说价格便宜、易于维护而又生长快速。</p><p><span word="Female">Female</span> <span word="trees">trees</span> <span word="look">look</span> <span word="very">very</span> <span word="similar">similar</span> <span word="to">to</span> <span word="the">the</span> <span word="males">males</span>. <span word="The">The</span> <span word="capital">capital</span>’<span word="s">s</span> <span word="parks">parks</span> <span word="authority">authority</span> <span word="began">began</span> <span word="a">a</span> <span word="survey">survey</span> <span word="in">in</span> 2017 <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="where">where</span> <span word="female">female</span> <span word="willows">willows</span> <span word="and">and</span> <span word="poplars">poplars</span> <span word="were">were</span> <span word="planted">planted</span> <span word="so">so</span> <span word="it">it</span> <span word="could">could</span> <span word="neutralize">neutralize</span> <span word="the">the</span> <span word="catkins">catkins</span> <span word="and">and</span> <span word="go">go</span> <span word="some">some</span> <span word="way">way</span> <span word="to">to</span> <span word="sparing">sparing</span> <span word="citizens">citizens</span> <span word="weeks">weeks</span> <span word="of">of</span> <span word="sneezing">sneezing</span> <span word="and">and</span> <span word="watery">watery</span> <span word="eyes">eyes</span> <span word="as">as</span> <span word="pollen">pollen</span> <span word="spread">spread</span>, <span word="Beijing">Beijing</span> <span word="Youth">Youth</span> <span word="Daily">Daily</span> <span word="reported">reported</span> <span word="on">on</span> <span word="Monday">Monday</span>.</p>
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