Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.

本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。

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Secondhand smoke, also known as environmental tobacco smoke (ETS), is a mixture of the smoke given off by the burning end of a cigarette, pipe or cigar and the smoke exhaled from the lungs of smokers.

二手烟，又被称为环境香烟烟雾(ets)，是由香烟，烟斗，雪茄，或是吸烟者肺部发散出来的烟雾混合体。

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The passive smoking in nonsmokers was a main oncogenesis in lung cancer. Adenocarcinoma of the lung was possibly induced by environmental tobacco smoke (ETS).

在非吸烟者中，被动吸烟是增加患肺癌的一种重要因素。在细胞组织学类型上其主要诱发腺癌。

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The other aspect of the US position that has drawn cries of "hypocrite" from the environmental community is that it asks the EU to stand down its ETS plan and instead develop a truly global measure to tackle aviation emissions.

BBC: US and its airlines: Too much hot air?