醫(yī)學(xué)英語：避免吸二手煙

Many Americans, including children, are involuntarily exposed to the toxic chemicals in tobacco smoke in their communities and possibly in their own homes.

很多美國人，包括孩子，在社區(qū)或者是他們自己的家中都會不自覺地暴露在煙草的化學(xué)物質(zhì)中。

Residents in multi-unit housing settings, like apartments and condominiums, have no protection from a neighbor's secondhand smoke that can drift freely through the windows, walls, and air vents.

居住在公寓和套房這類多單元樓房中的居民并不能保護(hù)自己不受鄰居二手煙的危害，這些煙氣會穿過窗戶、墻壁和通風(fēng)口，四處飄散。

There is no safe level of secondhand smoke exposure which can cause a number of health problems, including asthma in children.

二手煙暴露并沒有安全限值，它會引發(fā)很多的健康問題，包括兒童哮喘。

Many public and private apartment complexes are creating smoke-free residences to help reduce exposure and protect families.

很多公共和私人公寓大樓都在建造無煙居住區(qū)，來減少二手煙的暴露幾率和保護(hù)居民。