N-MASS
煙葉;煙草(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 .
例句
Try to do without tobacco and alcohol...
盡量不要抽煙喝酒。
I believe it is time to ban tobacco advertising altogether.
我認為該完全禁止煙草廣告了。