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

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