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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。 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。 Beijing has mapped its female poplar and willow trees to try to contain catkins that descend on the city each spring. 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。 catkin['kætkɪn]：n. [植]柔荑花序（如柳絮等） The Chinese capital has been blanketed by catkins each spring for decades. 几十年来，北京每年春天都深受杨柳飞絮的困扰。 很多网友纷纷在网上吐槽，春天有一种痛，叫会呼吸的痛…… The trees were planted in the 1960s and 1970s as a cheap, easy-to-maintain and quick-growing way to make Beijing greener. 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。 Female trees look very similar to the males. The capital’s parks authority began a survey in 2017 to find out where female willows and poplars were planted so it could neutralize the catkins and go some way to sparing citizens weeks of sneezing and watery eyes as pollen spread, Beijing Youth Daily reported on Monday. | 
