smoking cigarette end

例句：

1. 1. He's a heavy smoker and hasbeen advised to quit.
   他是个烟瘾很大的人，已经被建议戒烟了。
2. 2. Smoking is harmful to health.
   吸烟对健康有害。
3. 3. The government has banned smoking in publicplaces.
   政府已经禁止在公共场所吸烟。