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1，对健康构成潜在威胁 pose a threat to health 2，供应不足 be in short supply 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 peoples 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 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 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 | 
