知道，而且对被动吸烟者也有害。

Yeah, it's harmful to passive smokers too.

youdao

二手烟或被动吸烟者相当不满，即使他们构成了吸烟禁令的基础。

Those of secondary or passive smoking are rather more contentious, even though they form the basis of the smoking bans.

youdao

但是，即使考虑到这些因素，戒烟者与被动吸烟者均与听力损伤有关。

But even after taking account of these factors, both former and passive smoking were associated with impaired hearing.

youdao