协警

因为一段成功阻止杭州市某个交通繁忙十字路口的（地陷）惨剧的视频，浙江省杭州市40岁的交通协警礼为奇最近成了家喻户晓的人物。

Li Weiqi , a 40-year-old auxiliary1 traffic police officer in Hangzhou , Zhejiang province , has become a household name after a surveillance video was broadcast showing how he prevented what might have been a major tragedy last week at a busy intersection2 in the city .

交通协警多环芳烃暴露与健康风险的初步研究

PAHs Exposure and Health Risk in Traffic Police Assistants in Tianjin , China

再过两分钟社区协警就从那拐角过来了。

I 've got two minutes before a Community Support Officer comes around that corner .

近2周以来陪审员们一直听取在这个封闭的佛罗里达社区身为协警的乔治·齐默尔曼在巡逻途中遇到17岁的特拉万·马丁的那一晚究竟发生了什么。

For nearly two weeks jurors have been hearing what happened in this gated Florida community the night George Zimmerman went on patrol as a neighborhood watch coordinator and encountered 17-year-old Trayvon Martin .

结果交通协警工作环境空气中颗粒态苯并[a]芘及13种多环芳烃浓度之和的均值分别为26、867ng/m3，显著高于马路边和校园内浓度；

Results The average level of total PAHs and benzo [ a ] pyrene ( BaP ) the traffic police assistants exposed to were 867 and 26 ng / m3 respectively , which were much higher than those in the campus and at the roadsides .