smoking
n [U] activity or habit of smoking cigarettes, etc 吸烟; 抽烟
`No Smoking', eg on a notice in a public place ｀禁止吸烟＇
Smoking isn't allowed in this cinema. 这家影院不准吸烟.
Smoking damages your health. 吸烟有害於健康.
[attrib 作定语]
the smoking section of an aircraft 飞机上的吸烟区.