smoking gun确凿证据smokingadj.抽烟的；熏制的n.吸烟；吸烟区动词smoke的现在分词.smoking/adverse effects吸烟／副作用Smoking/tobacco control禁烟／控烟Smoking is my only vice.抽烟是我唯一的恶习。smoking of perchloric acid高氯酸冒烟Smoking strictly prohibited严禁吸烟Smoking is not allowed here此处不准吸烟Smoking harms our health.吸烟有害健康。Smoking Cessation/am eff戒烟／针灸效应Smoking is not permitted.不许吸烟。Smoking is banned in school在学校禁止吸烟