Both women lost themselves for a second or two as they quietly praised the little gloved hand.

VOA: special.2009.09.05

So you should have gotten two handouts as you came in, and if you didn't, please raise your hand and a TA will come to you and get you that second handout.

因此你们应该都在进来的时候拿到了两份讲义，如果你没有，请举手示意，助教会过去,给你第二份讲义。

麻省理工公开课 - 化学原理课程节选

The second morning, I would not let her put her hand on my plate.

VOA: special.2009.11.08

To accurately assess the level of second-hand smoke exposure, researchers tested for cotinine, which is produced when nicotine is metabolized.

VOA: standard.2010.06.15

The most common cause of COPD is long-term smoking or years of exposure to second-hand smoke.

VOA: standard.2010.06.21

In recent years, medical evidence has pointed to the harmful physical effects of second-hand smoke.

VOA: standard.2010.06.15

So in other words, if you live with a smoker, you really are at very high risk of demonstrating high levels of second-hand smoke exposure."

VOA: standard.2010.06.15

Dr.Mark Hamer's study on the psychological impact of second-hand tobacco smoke appears in the Archives of General Psychiatry, a journal published by the American Medical Association.

VOA: standard.2010.06.15

Although there is some evidence that artery damage caused by second-hand smoke in adults may be reversible, LaVan says it's unclear whether that's also true for adolescents.

VOA: standard.2010.03.04

They also found that people exposed to second-hand smoke - like smokers - were more likely to be admitted to a hospital for a psychiatric illness than people without the exposure to tobacco smoke.

VOA: standard.2010.06.15

A new study has found that teenagers who are exposed to second-hand tobacco smoke are more likely to have damaged to their blood vessels that could lead to heart disease later in life.

VOA: standard.2010.03.04