被动吸烟
passive smoking
Passive cigarette smoking
passivity smoking
passive smoker
passive smoke
Secondhand smoke
second-hand smoking
cigarette smoking
Passine smoking
second hand smoking
second hand smoke
osteocalcin
passive-smoking
smoking
不准吸烟和系好安全带标志
no smoking and fasten seat belt sign
非吸烟孕妇
Non-smoking pregnant women
和吸烟有关疾病
smoking-related illnesses