no smoking area的用法和样例：
- All indoor areas of these establishments are therefore designated as no smoking areas.
- No smoking except in designated area.
- 1.Attention to fireproofing in the sighting seeing area, no smoking in "no smoking area"
- In the interest(s) of safety, no smoking is allowed.
- Is there a vacant seat in the smoking area?
- Paul is in the smoking area if you need him.