从这些统计数字中可以看到，随着城市中汽车数量的不断增加，空气污染和噪音已经成为威胁城市居民生存的主要公害。

It can be seen from the statistics that with the rapid increase in the number of cars, air pollution and noise have become the main public hazards threatening the survival of city residents.

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但急剧上升的未成年人犯罪已经同环境污染、吸毒贩毒并称为当今世界的“三大公害”，这不得不引起社会各界的高度重视。

But the juvenile delinquency is already the world's "three major public hazards" together with environment pollution and drug taking and drugtrafficking. The question must arouse special attention.

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交通拥挤、交通事故及交通所造成的环境污染己成为人类及环境的公害。

Traffic congestion, traffic accidents and environmental pollution caused by traffic have already become public nuisances of human beings and environments.

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