One of the kids came back with it all written on the back of the paper.

其中一个孩子在纸的背面完成了作业,并带回了教室。

麻省理工公开课 - 媒体、教育、市场课程节选

You can write on the front; you can write on the back.

可以写在正面;,可以写在背面。

麻省理工公开课 - 固态化学导论课程节选

Now that's on the back of your handout there.

现在看一下发下去的材料的背面

耶鲁公开课 - 聆听音乐课程节选

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

At the back of the book--I think I took mine out but at the back of the book you will see wrapped with it an intro CD, introductory CD.

在书的背面,我的这本已经没了,但在书的后面,你会看到,有一个包装好的CD,里面是相关简介

耶鲁公开课 - 聆听音乐课程节选