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 garb
