Igars and cigarettes, the primary source of ETS [environmental tobacco smoke], are smaller sources that emit pollutants near people and thereby exposures to ETS are very localized.

雪茄烟和香烟，这两个二手烟的重要来源只是靠近人体的污染源中的相对较小的来源，因此环境烟海的暴露度非常局限。

youdao

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。

youdao

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。

youdao

Smoking bans could have an effect on reducing heart attacks or heart disease generally by one of two major routes: either by inducing current smokers to quit or by reducing the exposure of non-smokers to environmental tobacco smoke (ETS).

FORBES: Do Smoking Bans Really Save Lives? If So, Whose?