The article discusses on the relationship of environmental lead pollution and health, which covers pollutant sources, toxicity hazard and analysis method.

本文论述了环境铅污染与健康，包括污染物的来源、毒性危害和分析方法。

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Volatile Organic Compounds (VOCS), as one of the major sources of air contaminations, can not only cause direct pollution, but also lead to secondary pollution, such as photochemistry smog.

作为空气污染的主要来源之一，易挥发有机物(VOCS)不仅是一次污染源而且还可能造成光化学烟雾等二次污染。

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The released vehicle exhaust was mainly sources of the lead pollution on the environmental air. The unleaded gasoline may reduce the lead pollution in environmental air of the vehicle exhaust release.

论述了环境空气中铅染的主要来源是机动车排放的尾气，推广使用无铅汽油可明显降低机动车尾气排放对环境空气中铅污染。

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Newell worries that high oil prices will lead to the use of fuel sources that produce even greater amounts of pollution.

NPR: Will Pricey Fuel Prompt Greener Energy Habits?