But many also say they do not have enough time to do the work themselves and are under great pressure to do well in school.

VOA: special.2009.04.23

And he's seen me work under pressure.

而且他见过我如何在压力下工作。

写推荐书的人 - SpeakingMax英语口语达人

So for the reversible process, the work done is the integral under the pressure volume state function, the function of state.

对可逆过程，做的功,是压强体积态函数曲线下，的积分面积。

麻省理工公开课 - 热力学与动力学课程节选

Because it's so important. And I should add and also under reversible work, where the external pressure is equal to the internal pressure.

而且我还要说应该在外部压强,和内部压强相等的,可逆过程中引入它。

麻省理工公开课 - 热力学与动力学课程节选