Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives.

VOA: special.2010.06.16

We talk in terms of high pitch and low pitch although we'll fine tune that next time, and then we have this idea of duration or time, which we tend to write out in symbols that move from your left to right.

我们是从高低方面来谈论音高,即使我们将于下次讲解曲调的问题,我们已经有了音符时值或时间的概念,我们倾向于用符号来表示,时间是从你的左边向右边移动的

耶鲁公开课 - 聆听音乐课程节选

So in other words a very low energy is what we're going to have when we talk about the orbitals -- the energy of the 2 s orbital is going to be less than the energy of the 2 p orbital.

换句话说一个非常低的能量,是我们将会得到的当我们谈论轨道时,2s轨道的,能量比2p轨道,的能量低。

麻省理工公开课 - 化学原理课程节选