A heavy smoker的用法和样例：
- I remember especially he was a heavy smoker.
- A heavy smoker is one who smokes a lot or too much.
- Will you describe yourself as a heavy smoker ?
- He got lung cancer because he was a heavy smoker.
- It's quite beyond me why she married such a heavy smoker.
- His wife said that he had the reputation of being a heavy smoker.