[N-MASS 物质名词]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。
2
[N-UNCOUNT 不可数名词]烟草植株Tobacco is the plant from which tobacco is obtained.
Oxford
to·bacco/təˈbækəʊ; NAmEtəˈbækoʊ/noun[uncountable , countable ](pluralto·baccos)the dried leaves of the tobaccoplant that are used for making cigarettes, smoking in a pipe or chewing 烟叶;烟草◆The government imposed a ban on tobacco advertising (= the advertising of cigarettes and all other forms of tobacco). 政府禁止做烟草广告。tobaccotobaccosto·bacco/təˈbækəʊ; NAmEtəˈbækoʊ/