Unwrap a pack of cigarette
    take out a cigarette and light it with a lighter
    drop the ash into teh ashtray
    stub out the cigarette and throw it away
    empty the ash from the ashtray
    Smoking is harmful to you health
    So you’d better not smoke

    打开烟盒
    拿出一根烟，用打火机点燃
    把烟灰弹进烟灰缸
    掐灭香烟并扔掉
    清空烟灰缸中的灰烬
    吸烟有害健康
    所以你最好不要吸烟