吸烟有害
    01 no smoking!
    禁止吸烟！
    学学这样说
    1. this is a non-smoking area. 这是无烟区。
    2. please put that cigarette out! 请把烟熄灭！
    3. stop smoking immediately! 立即停止抽烟！
    4. i'm sorry, but smoking is not allowed here. 抱歉，这里禁止抽烟。
    5. smoking is forbidden here. 这里禁止吸烟。
    补充短语
    non-smoking area 无烟区
    02 stub out your cigarette in the ashtray please.
    请把你的烟在烟灰缸里捻灭。
    解析 ▲ stub out是一个动词词组，意思是“踩灭，捻灭”，后面一般跟表示火源的名词。
    常用单词
    ashtray ['??tre?] n. 烟灰缸
    学学这样说
    1. you should step outside to smoke. 你应该到外面吸烟。
    2. you must not light that cigarette. 你不能点燃那支烟。
    3. a policeman must not smoke on duty. 警察当班值勤时不得抽烟。
    4. the new law forbids smoking in offices. 新法律禁止在办公室抽烟。
    5. you'd better not throw cigarette ends here and there. 你最好不要随地乱扔烟蒂。
    03 it is generally accepted that smoking is harmful to our health.
    吸烟有害健康，这是大家公认的。
    语法tips
    it is generally accepted that的意思是“众所周知”，后面跟句子，句子用陈述句语序。
    学学这样说
    1. smoking is harmful to your health. 吸烟有害健康。
    2. smoking will do harm to your health. 吸烟有害健康。
    3. you'll smoke yourself sick. 你会因为抽烟而生病的。
    4. there is a general awareness that smoking is harmful. 众所周知，吸烟有害健康。
    5. smoking will harm your baby when you are pregnant. 孕妇吸烟对婴儿有害。
    补充短语
    be harmful to... 对……有害
    04 i think you should quit smoking.
    我觉得你要戒烟了。
    学学这样说
    1. this kind of tobacco has a high tar content. 这种烟的焦油含量很高。
    2. smokers know that smoking is harmful to their health, but they are reluctant to quit. 吸烟者知道吸烟有害健康，但他们却不愿戒烟。
    3. i have to choke my husband off. 我不得不劝阻我丈夫。
    4. you cannot quit smoking too soon. 你愈早戒烟愈好。
    补充短语
    choke off 劝阻，阻止
    应用对话
    julia: honey, i think you should quit smoking.
    steven: ok.
    茱莉娅：亲爱的，我觉得你要戒烟了。
    史蒂文：好的。
    05 it says smoking can cause lung cancer.
    上面说吸烟会导致肺癌。
    学学这样说
    1. smoking is bad for your skin. 抽烟对你的皮肤不好。
    2. of course smoking can contribute to lung cancer. 吸烟当然会导致肺癌。
    3. a cigarette spark started the fire. 烟的火星引起了这场火灾。
    4. i think that smoking is just throwing money away. 我认为抽烟仅仅是浪费钱财。
    5. the idea that some cigarettes are healthier than others is nonsense.
    有些香烟比其他香烟更健康的这种想法是胡说八道。
    6. smoking can cause lung cancer and heart disease.
    吸烟可导致患有肺癌和心脏病。
    补充短语
    heart disease 心脏病
    应用对话
    julia: check out this article. it says smoking can cause lung cancer.
    steven: really?
    茱莉娅：看看这篇文章，上面说吸烟会导致肺癌。
    史蒂文：真的吗？