1、对健康构成潜在威胁 pose a threat to health 2、供应不足 be in short supply 3、化学污染物 chemical pollutant 4、节水的习惯 water-saving habit 5、水的分布 distribution of water 6、水资源保护 water conservation 7、水资源短缺 water shortage 8、饮用水 drinking water 9、有害物质 hazardous material 10、在危险中 at risk 11、被耗尽 be exhausted 12、城市垃圾 urban garbage 13、达到高效 achieve high efficiency 14、当场处罚 on-the-spot fine 15、对环境不利 be unfriendly to the environment 16、环境恶化 environmental degradation 17、火灾隐患 a fire hazard 18、垃圾的回收和处理 litter collection and disposal 19、垃圾分类 garbage classification 20、破坏环境 ruin the environment 21、提高大众的环保意识 promote the public awareness of environmental protection; arouse people’s awareness of environmental protection 22、采取强有力的措施 take stronger and harsher measures 23、有限资源 finite resource 24、电脑监控系统 computer monitoring system 25、缓解交通阻塞的压力 relieve the traffic congestion 26、加快车流量 acceleratethe flow of traffic 27、交通法规 traffic law and regulation 28、认识不够 lack adequate awareness 29、有损形象 sopil the image 30、遵守交通法规 observe traffic regulation 31、补救性措施 remedial measure 32、急性病 acute disease 33、慢性病 chronic disease 34、人口密集的 densely-populated 35、有益健康的 conductive to good health 36、致命的疾病 fatal disease 37、广泛的采用 be used intensively 38、想出一个可行的解决方法 figure out a feasible solution 39、一个公认的事实 a generally acknowledged fact 40、是某事成为当务之急 make something a top priority