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 vitiates the air.吸烟会污染空气。
Smoking is very enjoyable.吸烟是种享受。
Smoking is forbidden here.此地禁止抽烟。
Smoking is a harmful vice.吸烟是一种有害的恶习。
smoking with perchloric acid高氯酸冒烟
Smoking - related attitude吸烟信念
smoking preservation of food食品烟熏保藏
Smoking is bad for health.吸烟对身体有害。
Smoking is prohibited here.这里禁止吸烟。