常見例句雙語例句Almost half of children regularly breathe air polluted by tobacco smoke.近半數(shù)兒童經(jīng)常呼吸遭受煙草煙霧污染的空氣。"When you look at the biology, there is no safe level of exposure to tobacco smoke, " he says.他還說：“當你看了生物學以后就會發(fā)現(xiàn)，任何級別的煙霧含量都是不安全的。What’s interesting about this is that the dogs were able to detect cancer even in the presence of other factors, like tobacco smoke and COPD.有趣的是，狗甚至能在其他因素(例如煙草煙霧和慢性阻塞性肺病)存在的情況下探查出癌癥。原聲例句She says there is no information to explain in detail why tobacco smoke causes behavioral problems in children with asthma.But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.We also will present evidence of a suspected link between tobacco smoke and behavioral problems in boys with asthma.權(quán)威例句Ahron Leichtman founded Citizens for a Tobacco-free Society because the merest whiff of tobacco smoke gave him a headache.ECONOMIST: Rout of the new evil empire 返回 tobacco smoke