他们感受不到脚底的存在，他们不知道自己的手指和手掌何时有力地张开平放在地面上，他们也不能够一次将手臂伸直或展开四头肌维持几秒钟。

They don't know when their fingers are spread wide and their palms are flat against the ground. Nor can they hold their arms straight or their quadriceps engaged for more than a few seconds at a time.

youdao

我这儿有一根铝条，我们可以合理地，不管铝条是水平放置-，还是让它平躺-，或是竖着放，其实长度是一样的。

I have here an aluminum bar and I make the reasonable, - that when this aluminum bar is sleeping — - when it is horizontal — that it is not longer than when it is standing up.

youdao

仅可能地把衣服平放，以减少褶皱。

Lay them flat as often as possible to reduce wrinkles.

youdao