Researchers % at the University of Surrey in England took to the streets of Guildford, "a typical English town," to look at the effects of traffic on concentrations of polluting particles.
英国萨里大学的研究人员们来到“典型的英式城镇”吉尔福德的街头，观察交通堵塞对污染粒子浓度的影响。
Researchers at the University of Surrey in England took to the streets of Guildford, "a typical English town," to look at the effects of traffic on concentrations of polluting particles.
英国萨里大学的研究人员们来到“典型的英式城镇”吉尔福德的街头，观察交通堵塞对污染粒子浓度的影响。
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