For example, the insects can smell carbon dioxide in the breath of a person or animal from as far away as sixty meters.

VOA: special.2009.05.26

Take a deep breath in all the way down to your belly.

向腹部深深吸气。

哈佛公开课 - 幸福课课程节选

A positive emotion can come in form of watching a humorous film; " it can come in form of "if you take a deep breath"-- we talked about deep breathing when we talked about my body; a positive emotion can come in form of interaction with a friend, a pleasant one.

积极情绪可以是看一部滑稽电影;,可以是“一次深呼吸-,探讨“心理，身体“时会谈到深呼吸;,积极情绪可以是与朋友交流，一次愉快的交流。

哈佛公开课 - 幸福课课程节选