passive smoking

• n. 被动吸烟、二手烟

passive smoking的用法和样例：

例句

用作名词 (n.)

1. An Australian court has ruled that passive smoking causes lung cancer.
   一个澳大利亚法庭已经裁定被动吸烟将引发肺癌。
2. Conclusion Introversion, lower ability of social adjustment, some negative psychosomatic symptoms and passive smoking might play some role in the onset of bronchial asthma.
   结论性格内向，社会适应能力差，某些精神情绪异常及被动吸烟在哮喘患儿中更为多见。