换一换环境很有趣。

It was interesting to be in a different environment.

《柯林斯英汉双解大词典》

我将要把所有的记号换一换。

So, I'm going to switch all my signs.

youdao

那咱们看看能不能换一换。

Let's see whether we can change one.

youdao

Let's see if we could sing it together because we're going to do this in a different way in a second.

那我们试试把它唱出来吧，一会我们就要换一种方法了。

耶鲁公开课 - 聆听音乐课程节选

Occasionally, you'll find you need to cancel out units, because, of course, you're always doing unit analysis as you solve your problems, and sometimes you'll need to convert joules to kilogram meters square per second squared.

偶然地，你会发现需要消除单位，因为在解题时,经常要做单位分析，所以有时候需要把,焦耳换做,一千克乘以米的平方除以秒的平方。

麻省理工公开课 - 化学原理课程节选

That is, in terms of equations of state. For any material Then we would really be able to essentially calculate anything. Anything thermodynamic.

换句话说，利用任何一种物质的状态方程,我们就能够实质上,计算所有物理量，所有热力学量。

麻省理工公开课 - 热力学与动力学课程节选