Question

吸烟的危害英语

Answer 1

Smoking is a bad habit that does harm to smoker and others. Many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer and many other diseases.
In addition, smoking does harm to others as well. Second hand smoking has been recognized harmful to other people.
翻译：
吸烟是个坏习惯，它对吸烟者和别人都有害。很多疾病和癌症是有吸烟引起的，比如说气管炎，肺癌还有很多其他疾病。
另外，吸烟也会对别人有害。二手烟是公认的对别人有害的。