But she has decided to forgive him. No good,she says, can come from holding on to that bitterness.

VOA: standard.2010.06.07

Then we can take the derivative of that quantity, when we vary the temperature, holding the volume constant.

即恒定体积，改变温度，这里恒定温度下。

麻省理工公开课 - 热力学与动力学课程节选

Okay.So that's all you got to do, and you can hear the holding for twice as long as the other, so you got irregular rate of harmonic change.

好的，现在需要大家做的都弄好了，而且大家可以听到比别的要长两倍，这就是泛音的不规则变化率。

耶鲁公开课 - 聆听音乐课程节选

One can see businessmen and women running down the escalators, most likely late for work, couples holding hands, others seemingly asleep as they wait to get off, listening to the music that blares from the loudspeakers overhead.

VOA: standard.2010.07.10

We can also do a similar thing, and I'll keep my distance from the board, but we can instead be holding x constant, for example, putting x to be equal to zero, and then all we're doing is considering the electric field as a function of t.

我们也可以做类似的事情,把x固定为一个常数,例如令x等于零，然后,考虑电场作为时间的函数,这种情况下，我们划掉。

麻省理工公开课 - 化学原理课程节选

The general said that attitude among most alliance members makes it impossible for NATO's International Assistance Force in Afghanistan to pursue an effective counterinsurgency campaign, involving clearing areas of hostile fighters, and holding those areas so economic development and governance projects can proceed.

VOA: standard.2009.03.24