I think it's in your brain, the back of your head.

应该是在大脑中，后脑勺那里。

耶鲁公开课 - 弥尔顿课程节选

Only the back of your head will be seen.

观众们只能看见你的后脑勺

耶鲁公开课 - 基础物理课程节选

I hope that you'll have that in the back of your head when we get to the story of Athens and the invention of democracy, because it was off the wall from the perspective of Greek tradition.

我希望,当我们讲到雅典神话,以及民主制的诞生时,你们还记得这点,因为从希腊人的传统观点来看,这是很不寻常的

耶鲁公开课 - 古希腊历史简介课程节选

For right now, you can kind of put the d orbitals in the back of your head.

现在你们可以，暂时把d轨道,放在脑后。

麻省理工公开课 - 化学原理课程节选

In some cases, the back of the head could be more expressive than the front, in which case this is your opportunity and I wish you luck.

有些时候,后脑勺确实比正脸更有表现力,这才是你们的机会,祝你们好运

耶鲁公开课 - 基础物理课程节选