...content of more than 1 time, benzopyrene twice times, 4...
a吸烟者吐出的冷烟雾中,烟焦油含量比吸烟者吸入的热烟雾中的多1倍,苯并芘多2倍,一氧化碳多4倍。 The smoker puts out in cold smog, smoke tar content compared to in smoker inspiration hot smog many 1 times, benzene and pi many 2 times, carbon monoxide many 4 times.[translate]...