Former smokers, or those who smoked less than half a pack per day, did not appear to be at increased risk.

曾吸烟的人或者每天吸烟低于半包的人看起来不处于增加的风险中。

youdao

Former smokers, or those who smoked less than half a pack per day, did not appear to be at increased risk.

曾吸烟的人或者每天吸烟低于半包的人看起来不处于增加的风险中。

youdao