以上来源于: WordNet
Give up smoking, or if that is not possible, make sure that your loved ones are far away from third-hand smoke.
戒烟,如果不可能的话,确保你所爱的人远离三手烟。
Third-hand smoke: What are the dangers to nonsmokers?
三手烟会对不吸烟者构成哪些危害?
But far fewer of those surveyed were aware of the risks of third-hand smoke.
但受访者中却很少有人知道三手烟的危害。
The researchers did a study of adult beliefs about the possibility of health risks to children from third-hand smoke.
VOA: special.2009.01.07
But now researchers led by Doctor Jonathan Winickoff at MassGeneral Hospital for Children in Boston are warning about what they call "third-hand smoke."
VOA: special.2009.01.07
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