Cigarette smoke contains many types of carcinogenic particles which can become trapped in air-conditioners. It is also hard to remove the smell from cars even with all the windows opened.

“烟气中含有多种致癌颗粒，这些微粒会吸附在空调上。即使把车窗全部打开，也很难去除车内的烟味”。

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Cigarette smoke contains many types of carcinogenic particles which can become trapped in air-conditioners. It is also hard to remove the smell from cars even with all the windows opened.

“烟气中含有多种致癌颗粒，这些微粒会吸附在空调上。即使把车窗全部打开，也很难去除车内的烟味”。

youdao