1·The conference room reeked tobacco smoke.
会议室里弥漫着烟草的臭味。
2·The conference room reeked of tobacco smoke.
会议室里弥漫着烟草的臭味。
3·There is no safe level of second-hand tobacco smoke.
二手烟草烟雾没有安全标准。
4·Exposure to second-hand tobacco smoke is also dangerous.
接触二手烟草烟雾也是危险的。
5·protect nonsmokers from exposure to second-hand tobacco smoke;
保护非吸烟者，避免其接触二手烟草烟雾；
6·There is no safe level of exposure to second-hand tobacco smoke.
关于二手烟草烟雾，不存在安全接触水平。
7·There are more than 4,000 chemicals in tobacco smoke, and many.
香烟中含有4000多种化学成分，其中大部分物质都会伤害人体的骨胶原和弹。
8·Almost half of children regularly breathe air polluted by tobacco smoke.
近半数儿童经常呼吸遭受烟草烟雾污染的空气。
9·Help protect non-smokers from exposure to second-hand tobacco smoke; and.
帮助保护非吸烟者避免接触二手烟草烟雾；以及。
10·Sagging Skin There are more than 4,000 chemicals in tobacco smoke, and many.
松弛的皮肤香烟中含有4000多种化学成分，其中大部分物质都会伤害人体的骨胶原和弹。