Still, the sheer volume of pollutants, including benzene, means they pose a real risk – of worse symptoms and even death – to asthmatics and those with chronic obstructive pulmonary disease.

但是，大量的污染物质（包括苯）注定会对哮喘患者以及那些患有慢性阻塞性肺病患者构成真正的风险——使症状恶化，甚至导致死亡。

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Still more so are the synthetic types, such as sulfonated dodecyl benzene and similar alkylates.

更有效的是合成型洗涤剂，例如十二烷基苯磺酸盐和类似烷基化物。

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Influences of ethanol, toluene, acetone, methanol, benzene and ammonia were measured, and ethanol was still the main interfering gas for formaldehyde detection.

测量了乙醇、甲苯、丙酮、甲醇、苯和氨水对元件的影响，乙醇仍为测量甲醛的主要干扰气体。

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