cigarette ash的用法和樣例：
例句
- A plague on you both! Do you think I'm going to invite you here again if all you can do is continue your private arguments and drop cigarette ash on the floor?
你們兩人真該死！要是你們只會為私事爭論不休、往地板上彈煙灰，你們以為我會再請你們到這兒來嗎？ - Don't drop cigarette ash on the carpet.
別把煙灰落在地毯上。
