He was not a heavy smoker.他烟瘾不大。It transpired that the fire was caused by a careless smoker.据传这场大火是由一位粗心的吸烟者造成的.Ade is a heavy smoker.艾德是个烟瘾很大的人....

Nobody will be allowed to smoke in an office if there are non-smokers present.如果有不吸烟的人在场，任何人不得在办公室吸烟。A nicotine spray can help smokers quit the habit without putting on weight...尼古丁喷雾剂能够帮助吸烟者在不增加体重的同时戒烟。Children of smoke...

smoker的复数形式为：smokers...