secondhand evidence

基本解釋

One US study found evidence of secondhand smoke in 60 percent of non-smokers.
一項(xiàng)美國(guó)的研究也發(fā)現(xiàn)了一些證據(jù)證明，二手煙吸煙者占不吸煙者人數(shù)的60%。
The research adds to a growing body of evidence indicating that secondhand smoke has objectively measurable effects on children's heart health.
這項(xiàng)研究為我們提供了新的證據(jù)，表明二手煙對(duì)兒童心臟健康的損害有可測(cè)量的客觀指標(biāo)。
This [study] adds an important piece of evidence that inhaling secondhand smoke is deleterious and does things to the airway that are not good.
上述研究又提供了一個(gè)重要的證據(jù)證明吸入二手煙是有害的，對(duì)氣道很不好。
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