Let's just first fill in this for the b 2 case.

让我们先填完这个B2的情况。

麻省理工公开课 - 化学原理课程节选

I'm going to ask you to fill out some forms" "but first, to get ready for this experiment, " I'd like you to get on this treadmill and run for ten minutes."

需要你们完成一些表格“,“但首先，为实验做准备，我想让你们在跑步机上跑十分钟“

耶鲁公开课 - 心理学导论课程节选

So, if you can flip your lecture notes over and just write on the blank space, we're going to cover electronegativity first here, and specifically, you can go back and fill this in to your lecture 9 notes, if you want to stay organized, but I just suggest just writing it on lecture 10 notes now and going back.

因此，请大家把讲义翻到背面,就在空白处做一下笔记，我们要先讲一讲电负性，特别提醒一下，大家可以,回到第九课的讲义并把这些记在那里，如果你想保持条理性的话,但是我建议大家先写在第十课的讲义上,回去再记到第九课的讲义上。

麻省理工公开课 - 化学原理课程节选

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