他躺在草地上，双手交叉放在头下。

He was lying on the grass, his hands crossed under his head.

youdao

莫利躺在床上，一只手枕在她的头下。

Molly was on the bed, one hand under her head.

youdao

不要在列头上单击，而是要单击列头下的三个单元格。

Don't click on the header but on the three cells below the column header.

youdao

And I want to just highlight it for you because we're going to come back and look at it.

我想强调下这一点因为我们即将,回过头去再去看看这些东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.

等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。

麻省理工公开课 - 化学原理课程节选

All right, and let's just check this out, because I want to make a point of this, let's go back and do the following.

好，让我们记住这一点，因为我想要强调下这里，我们回过头去做如下的操作：

麻省理工公开课 - 计算机科学及编程导论课程节选