And So, we study different problems like recognizing faces or language or motor control or logic.

我们研究各种在行为过程出现的问题,诸如面孔识别,语言,运动控制,以及逻辑

耶鲁公开课 - 心理学导论课程节选

improve your range of motion and strengthen those muscles, they get weaker during that process

改善你的运动范围并加强这些肌肉，它们就会在运动过程中变弱，

健康生活 - SpeakingMax英语口语达人

They'll keep trying to get it going, but maybe we should move on with our lives here while this is happening, and we'll click it back at the end, and if we have a nice set up at any point, I'll just stop and we'll go back and we'll look at it again.

它们会一直让它保持运动，但是或许我们应该,在这个过程中离开一会儿，我们在最后点击它，如果我们在每一个点,都有一个好的装置，我就会停止然后,返回再去看看它。

麻省理工公开课 - 化学原理课程节选

So, the average velocity may not tell you the whole story.

平均速度可能无法描述整个运动过程

耶鲁公开课 - 基础物理课程节选

Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

耶鲁公开课 - 基础物理课程节选

For example, if you started here and you did all this and you came back here, the average velocity would be zero, because you start and end at the same value of x, you get something; 0 divided by time will still be 0.

例如,如果你从这里开始运动,经过这个过程又回到这里,平均速度就是0,因为初态和末态的位移相同,你得到了什么呢,0除以时间还是0

耶鲁公开课 - 基础物理课程节选