求翻译：烟草的烟雾中至少含有三种危险的化学物质：焦油,尼古丁和一氧化碳,焦油是由好几种物质混合成的物质,在肺中会浓缩成一种粘性物质.尼古丁是一种会使人成瘾的药物,由肺部吸收,主要是对神经系统产生影响.一氧化碳能减低红血球将氧输送到全身的能力.是什么意思？

Tobacco smoke contains at least three hazardous chemicals: tar, nicotine and carbon monoxide, tar is mixed into the material by several substances in the lungs will be concentrated into a viscous substance, nicotine is a make people addicted drugs, absorbed by the lungs, the main impact on the nervo

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Tobacco smoke contains at least three kinds of hazardous chemical substances: tar, nicotine and carbon monoxide, tar is a mixture of several substances substances, in the lung are concentrated into a viscous substance. nicotine is a drug can make you addicted, absorbed by the lungs, mainly have an i

正在翻译，请等待...