一种可能性就是，流体被压缩或是膨胀了。

So, one possibility would be that your fluid is actually being compressed or expanded.

youdao

在美国，房价可能膨胀了一点。

In America, prices may have overshot a little.

youdao

特别是冰岛的债务从那时起已经又膨胀了。

Debts in Iceland, in particular, have swollen since then.

youdao

So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

There's a lot of imagery of swelling, of distortion and distention of the body that some critics point to her biography to explain.

在她的书中有许多关于身体肿胀、变形和膨胀的想象,一些评论人从她的自传中找到了解释。

耶鲁公开课 - 1945年后的美国小说课程节选

And this goes back to the point I tried to make last time. Yes, the computers are really fast.

也会迅速膨胀,这就回到了我上次给大家讲的那一点。

麻省理工公开课 - 计算机科学及编程导论课程节选