目前研究发现二手烟会导致增加发生心脏病、中风和肺癌的风险和早产儿死亡。

There have been studies, however, that found an increased risk for heart disease, stroke and lung cancer and premature death from secondhand smoke.

youdao

目前研究发现二手烟会导致增加发生心脏病、中风和肺癌的风险和早产儿死亡。

There have been studies, however, that found an increased risk for heart disease, stroke and lung cancer and premature death from secondhand smoke.

youdao