你需要能量,来移动胳膊和走动,机械系统，汽车，船等等。

You need energy to move your arms around and move around mechanical systems, obviously, cars, boats, etcetera.

youdao

你看不到梦游者伸着胳膊、拖着脚四处走；其实许多人都是轻松地在屋里走动，他们能打开门或移动家俱。

You won't see sleepwalkers shuffling around, arms outstretched; manynavigate their rooms with ease and are capable of opening doors andmoving furniture.

youdao

然后我起身走动试图移动或按摩身体的食物了我的喉咙里。

Then I would get up and walk around trying to physically move or massage the food down inside my throat.

youdao

You need energy to move your arms around and move around mechanical systems, obviously, cars, boats, etcetera.

你需要能量,来移动胳膊和走动,机械系统，汽车，船等等。

麻省理工公开课 - 热力学与动力学课程节选