And that we precisely place our feet as we walk to avoid taking a tumble during this ambulatory balancing act.

走路保持平衡过程中，我们自己会尽量避免摔倒。

Now, this is all assuming that you are ambulatory.

现，切都假设您以走动。

If you are ambulatory, it means you don't need an ambulance; you can go on your own two feet.

果是ambulatory，意味着不需要救护；以用自己的两只脚走。

Most patients, there they're ambulatory patients, there's most of them are are fairly healthy in that they don't need a hospital today, but they have chronic issues, so some things like diabetes, hypertension, chronic joint pains that sort of things.

大多数患者，他们是非卧床患者，他们中大部分人是相当健康的，因为他们不需要当天住院，但他们患有慢性疾病，糖尿病、高血压、慢性关节疼等。