凯利说:“就(欧洲的)过早死亡率来看,每立方米空气污染物每增加10微克,死亡率将增加6%。”
That suggests air pollution in Europe is about 27 times more toxic than average air pollution in China.
这表明,欧洲空气污染的毒性约为中国的27倍。
However Professor Kelly said cities like Beijing, Shanghai and Hong Kong were likely to suffer from Western-style air pollution.
但是,凯利教授说,北京、上海和香港这样的城市可能也存在“西式”空气污染。
"The natural dust component there is not of the magnitude that it would dwarf the coal, biomass and fossil fuel signals,” he said.
“那儿空气中天然尘土的数量还不足以使煤炭、生物物质和化石燃料等因素相形见绌。”
“That [the lower mortality rate] may be true in certain cities whose pollution is not dominated by local power generation or major traffic congestion.”
他说:“在污染物主要不是来自当地电厂或严重交通拥堵的某些城市,(死亡率较低)可能是事实。”
Natural dust particles can cause physical damage to the lungs and trigger an asthma attack. Particles of carbon produced when fossil fuels are burned can lead to similar problems but they are also coated with toxic heavy metals, chemicals and volatile organic compounds.
天然粉尘可能使肺部受损,引发哮喘。燃烧化石燃料时产生的碳微粒可能导致类似问题,但它们外表还包裹着有毒的重金属、化学物质和挥发性有机物。
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