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-room humor.下流的笑话
Smoking is prohibited.禁止吸烟。
smoking factory chimneys冒着烟的工厂烟囱
smoking-room anecdotes闲谈趣闻
smoking cessation relapse戒烟失败
Smoking is a bad habit.抽烟是种坏习惯。
smoking-free cigarettes无烟香烟
Smoking affects health.吸烟影响健康。
Smoking or nonsmoking?
Smoking is his weakness.抽烟是他的癖好。