But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

VOA: special.2009.01.13

To ride, to hunt, to smoke like a Turk in the sunshine, there's the destiny of the white man.

骑马,打猎,在日光下豪迈地吸烟,他们认为这些才是白人应该干的

耶鲁公开课 - 美国内战与重建课程节选

Important lesson, so that there would be some predictability in the results and I would have some, if you will, smoke test for knowing whether or not I was getting, my code seemed to be working.

这很重要，因为这样我就可以预测,结果会是多少了，如果你愿意，我们可以做烟气试验,来看我的代码是否工作正常。

麻省理工公开课 - 计算机科学及编程导论课程节选

Just the two of us, rolling on in a cloud of friendly company and smoke from his cigar.

VOA: special.2010.01.30

They commissioned a study, a cost-benefit analysis of smoking in the Czech Republic, and what their cost-benefit analysis found was the government gains by having Czech citizens smoke.

他们资助了一项研究，进行在捷克吸烟的成本效益分析，分析结果显示,让捷克人民吸烟，能让政府获利。

耶鲁公开课 - 公正课程节选

This may cause people to hold the smoke in their lungs longer than smokers of other products.

VOA: special.2010.03.09

Each year in the United States, secondhand smoke kills an estimated 46,000 nonsmokers from heart attacks.

VOA: special.2009.01.07

Nonsmokers are also affected. Thousands in the United States die each year from heart disease and lung cancer from breathing other people's tobacco smoke.

VOA: special.2009.05.27

Also,there are differences between males and females in the way the body processes cigarette smoke.

VOA: special.2009.06.23

Chantix works on nicotine receptors in the brain to reduce the urge to smoke.

VOA: special.2010.03.09

Over the long term, secondhand smoke also raises the risk of disease in nonsmokers.

VOA: special.2009.01.07

The study found the girls were breathing in more tobacco smoke than the boys.

VOA: special.2009.01.13

A big cloud of smoke rose high in the air over Fort Sumter.

VOA: special.2009.08.13

There are dead bodies,smoke, and the buildings of Paris in the distance.

VOA: special.2010.06.23

The flame went out in a puff of gray smoke.

VOA: special.2010.05.01

"The people that are at the highest level of passive smoke are actually the ones reporting exposure in their own homes.

VOA: standard.2010.06.15

Gapstur credits the reduction in cigarette smoking, sparked by education campaigns, smoke-free laws,taxes and social policies for that.

VOA: standard.2010.03.25

"Smoking is easier than obesity because the way the environment has evolved in the United States really helps reinforce the decision not to smoke."

VOA: standard.2010.07.16

But they also asked the people in the study where they were exposed to tobacco smoke.

VOA: standard.2010.06.15

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

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

The Italian display included tight formations of jets with contrails in the red,white and green of the nation's flag, the smoke forming hearts, crosses,spirals and more.

VOA: standard.2009.11.15

Two vehicles entered and then exploded in the African Union peacekeeping force compound, sending a heavy trail of black smoke into the skyline of the capital city.

VOA: standard.2009.09.17

And many of the cigars that the men smoke are hand-rolled right in Little Havana by craftsmen who brought their trade with them from the Cuban capital.

VOA: standard.2010.04.19

Shuttle Discovery left behind a pink and gold plume of smoke as it took off Sunday evening, with the sun setting on the Kennedy Space Center in Florida.

VOA: standard.2009.03.15