The kind of the environmental hormone, the pathway of pollution, primary pollution source and damages were reviewed, and strategies of pollution control were suggested in...
主要叙述了环境激素的种类、污染途径、主要污染源、危害，并提出了污染控制及其防治对策。
At the same time the vehicle exhaust has become the primary source of air pollution in big cities.
同时在我国大城市机动车排气污染已成为城市空气污染的主要源头。
Disposal of nonbiodegradable waste is a primary source of pollution.
对非生物降解物的处理是污染的主要来源。
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