Let us go back to the ceramic cowboy boots we talked about earlier.

VOA: special.2009.09.09

? "Could we not persuade you to let us go?"

我们无法说服你们让我们走吗“

耶鲁公开课 - 政治哲学导论课程节选

N 2 So any chemist should be able to just look at n 2 and know that it's a triple bond, but that's not something that we've learned how did to do yet, so let's go ahead and start a new topic that's going to allow us to have some sort of sense of what the valence electron configuration, which includes whether something's a single or double or a triple bond can be figured out for any given molecule.

任何一个化学家都应该能够仅仅通过看到2,就知道它有一个三键,但是我们还没学习如何做到这点，因此下面我们就开始进入一个新的主题,它将使我们能够有一定的认识,对于价电子的排布情况，包括可以对任何一个给定分子中的键是单键双键,还是三键作出判断。

麻省理工公开课 - 化学原理课程节选

Let us go." "Yes," I replied, "let us go."

VOA: special.2009.02.07

So, let's go ahead and define our variables here, they should be familiar to us. We have the mass, first of all, me m is equal to m e, so that's the electron mass.

让我们继续定义这些常数,我们对这些应该都很熟悉了，首先，我们有质量，m等于。

麻省理工公开课 - 化学原理课程节选

"Let us go for peace, not for any more struggles,"

VOA: standard.2009.12.21

"Let us not forget that we have miles to go to overturn the prejudice and oppression facing the world's one hundred eighty million citizens with intellectual disabilities."

VOA: special.2009.08.23

"If we get to the summer of 2011 and people do not feel that we have made real progress, then I do not think there is an appetite here - or an appetite in the U.S.- to say, 'Well let us have another go and another go.'

VOA: standard.2010.08.04