呼吸系统不仅在运作层次上有差异，甚至在运作方式上也有变化。

Not only are there differences in the level of the functioning of respiratory systems, there are even changes in how they function.

youdao

我的呼吸器上的管子脱落时，我差一点窒息。

I nearly suffocated when the pipe on my breathing apparatus came adrift.

《牛津词典》

事实上，金枪鱼必须游泳才能呼吸。

In fact, tunas must swim to breathe.

youdao

Sometimes we're holding onto misery or anger or whatever it is You really have to be prepared to be courageous and return to your breath instead of letting feelings like that overcome you.

好像不情愿放开,我们的痛苦和愤怒,你确实要准备好,要勇敢，并回归到呼吸上,而不被恶劣的情绪压倒。

普林斯顿公开课 - 人性课程节选

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选

If your mind wanders, simply bring it back to your breathing.

如果走神了，回到呼吸上。

哈佛公开课 - 幸福课课程节选