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 accelerate the 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
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