N-MASS 烟叶;烟草(制品) Tobacco is dried leaves which people smoke in pipes, cigars, and cigarettes. You can also refer to pipes, cigars, and cigarettes as a whole as tobacco .
Try to do without tobacco and alcohol... 尽量不要抽烟喝酒。
I believe it is time to ban tobacco advertising altogether. 我认为该完全禁止烟草广告了。
烟草植株 Tobacco is the plant from which tobacco is obtained.