这是因为在你深呼吸的时候，这给你大脑发出的是一条镇定、放松的信息。

This is because when you breathe deeply it sends a message to your brain to calm down and relax.

youdao

把注意力放在你的呼吸上(在做深呼吸的时候，可能要边冥想或祷告)。

Concentrate on your breathing (you might want to do this in conjunction with meditation or prayer).

youdao

深呼吸的方法要正确，你要用你的丹田和肋间的肌肉来从肺部挤压出更多的空气。

Do this correctly by using the muscles of your abdomen and the ones between your ribs (intercostals) to squeeze more air out of your lungs as you exhale.

youdao

As you continue with the deep breath, shift your focus to your emotions, to your feelings.

继续深呼吸的同时，将焦点转向情绪，转向感受。

哈佛公开课 - 幸福课课程节选

So we just basically did some basic deep breathing, helping them to remember when they used to play, the way when they really enjoyed it, what was different for them.

我们只是进行一些基本的深呼吸，回想当年比赛时，是如何享受比赛，那时有什么不同。

普林斯顿公开课 - 人性课程节选