That study also found that the water in hookahs filters out less than 5 percent of the nicotine.
该研究还发现水烟中的水只能过滤掉5%的尼古丁。
Shisha bars, where people smoke hookahs on heated outdoor patios, have mushroomed since a 2007 ban on smoking in public places.
从2007年的公共场所禁烟令的发布之后，一个人们能够在温暖的户外吸水烟的地方—水烟酒吧，迅速繁荣起来。
Shisha bars, where people smoke hookahs on heated outdoor patios, have mushroomed since a 2007 ban on smoking in public places.
从2007年的公共场所禁烟令的发布之后，一个人们能够在温暖的户外吸水烟的地方—水烟酒吧，迅速繁荣起来。
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