The presumption has been that smoking renders people vulnerable to disease by impairing lung function or immunity. And it may well do both.
假设是基于抽烟能削弱肺部功能或者免疫力，更可能是两者，从而使人们更容易受到疾病的攻击。
Elsewhere, New Hampshire, Massachusetts, Iowa, Vermont and Connecticut have all legalised gay weddings and Washington, DC, may well do so soon.
在其他地方，如：新罕布什尔州、马萨诸塞州、爱荷华州以及康涅狄格州都认可同性恋婚礼的合法性，并且华盛顿特区很快也会这样做。
Elsewhere, New Hampshire, Massachusetts, Iowa, Vermont and Connecticut have all legalised gay weddings and Washington, DC, may well do so soon.
在其他地方，如：新罕布什尔州、马萨诸塞州、爱荷华州以及康涅狄格州都认可同性恋婚礼的合法性，并且华盛顿特区很快也会这样做。
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