There are many kinds of work. There's electrical work, take the motor, you plug it into the wall, electricity makes the fan go around, that's electrical work. There's magnetic work.

我们复习一下大一,学过的功的概念：,物体在力的作用下，运动了一段距离。

麻省理工公开课 - 热力学与动力学课程节选

And my father is a big Frank Lloyd Wright fan, so we go all over the country to see his buildings.

我老爸是弗兰克•劳埃德•赖特的忠实粉丝，所以我们跑遍了全国去看他的建筑。

纽约的美术馆 - SpeakingMax英语口语达人

So, many of you are new to the Boston area, now I still realize, and I want to let you know it's not required that you be a Red Sox fan to be at MIT.

你们中很多人新来到波士顿地区，现在我仍认识到，我想让你们知道在麻省理工学院,不一定必须做一个红袜队的球迷。

麻省理工公开课 - 化学原理课程节选