She says the study looked at restaurants and bars because research suggests that people who drink alcohol are also more likely to smoke.

VOA: special.2009.05.27

So, what they do is, the first time they might scratch at the bars, push at the ceiling, dig at the floor, howl, etc.

起初小猫可能会抓栏杆，推顶棚，挖底板，吼叫等等。

耶鲁公开课 - 心理学导论课程节选

and some things on the bars over at Muscle Beach,

在肌肉海滩玩单双杠，

激情生活 - SpeakingMax英语口语达人

It bars discrimination on the basis of sex at any educational institution that receives federal money.

VOA: special.2010.03.04

The lever gets them out of the box, but after more and more trials they stopped scratching at the bars, pushing at the ceiling and so on.

杠杆让它们逃出迷笼，但在经历多次尝试之后,它们不再抓栏杆，不再推顶棚。

耶鲁公开课 - 心理学导论课程节选

There are now more than at bars and restaurants throughout the United States.

VOA: standard.2010.05.04

Helmets, roll bars, caution flags... I like the fresh air... and looking at the poor people in the infield.

头盔，保险杠，警示旗。,我喜欢新鲜空气。,还喜欢看场上的倒霉蛋们。

耶鲁公开课 - 公正课程节选