So I just wanted to address that quickly before we move on, and actually address another thing about dealing with wavelengths of particles that sometimes comes up.

在我们继续之前我要先更正一下，实际上是更正有时我们会碰到的,另一个对待粒子波长的问题。

麻省理工公开课 - 化学原理课程节选

Before I move on, I'm just going to put on the board another cycle, and I'm going to urge you to work through that on your own.

在我继续之前，我要在黑板上,画另一个循环，我希望你们,能自己去推导它，它已经被详尽地推导过了。

麻省理工公开课 - 热力学与动力学课程节选

Let's focus on a couple of lessons of the class before I come back to this.

在继续讲下面的内容之前,我们先来回顾一下上节课的结论

耶鲁公开课 - 博弈论课程节选

But as you know already, from what you've read, this has come into great dispute in recent years and I'll just say a little bit about the dispute before we get through today.

不过就像你们在课后阅读中读到的那样,他的说法近年来遭到了越来越多的质疑,我们在继续今天的讲解之前,我会先讲讲人们对于他理论的质疑

耶鲁公开课 - 古希腊历史简介课程节选

So Milton will continually be saying in his prose tracts, "Oh! I just had an idea. Dear reader, before I go on, perhaps I should say something about myself. I need to explain something to you about where I'm coming from. You wonder who I am to tell you this?

所以弥尔顿会在他的散文中不停地说，“哦！我有一个主意，亲爱的读者，在我继续下去之前,也许我应该介绍下自己，我需要向你们,解释一下我从哪里来，你们会想我是谁呀？

耶鲁公开课 - 弥尔顿课程节选

So that doesn't make a difference for us when we're talking about neutral atoms, 4s because we would fill up the 4 s first, because that's lower in energy until we fill it, and then we just keep going with the d orbitals.

所以那对我们来说没什么不同,所以当我们讨论中性原子时，因为我们会首先填充，因为在我们填充它之前它的能量都较低，然后我们继续填充d轨道。

麻省理工公开课 - 化学原理课程节选