Because step five is that we need to fill in our bonding electrons, and we start it with filling in two electrons per bond.

因为第五步要做的是将我们的成键电子填在这，所以我们开始在每个键处填上两个电子。

麻省理工公开课 - 化学原理课程节选

So let's step through this with a little more care And I keep saying, before we do it, - let's just actually try it out.

因此我会做做试验,我会去做一些实验性的输入，我可以输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then the first time so he came up a major third there and then quickly backed off with just a half step below it, which completely gave it a different feel.

于是开始的时候,乐曲中出现一个大三和弦,然后快速地降低了半个音,这种变化给人完全不同的感受

耶鲁公开课 - 聆听音乐课程节选

Once you're doing this on your own, -- especially, for example, on exam 2, which is a ways down the road, you won't be able to look at those steps, so you need to make sure that you can go through them without looking at them, but for now we can look at them as we are actually learning how to draw the Lewis structures, and rather just go through them step-by-step, it's more interesting to do it with an example.

每当你要画一个路易斯结构的时候，特别是，比如，在第二次考试中，在不远的将来，你将看不到这张表，因此你需要确保自己在不看这张表,的情况下也能按照上面的流程来画，但是目前我们是可以看着这张表,来学习如何画路易斯结构的，而相比于一步一步地讲，通过例子来演示一下会更有意思。

麻省理工公开课 - 化学原理课程节选

But it turns out that with this language we glimpsed on Wednesday, you can do the step so much more easily and yet the ideas are identical to what we're gonna explore at a lower level in the weeks to come.

实际上，通过在周三,学习的Scratch语言，你可以更容易地做这步,思路和今后几个星期,我们将探讨的是相同的。

哈佛公开课 - 计算机科学课程节选