我父亲是一个烟斗吸烟者。

My father is a pipe ___smoker.

如果你是一个重度吸烟者，你应该考虑戒烟。

If you are a heavy ___smoker, you should consider quitting.

近年来吸烟者数量已经减少。

The number of ___smokers has decreased in recent years.