In other words, the more its volume will change.

换言之，其体积的可变性增加了。

Kudos to the study for giving us more data though, and if there's future studies that play around a bit with changing volumes, I'll be sure to let you wonderful people know.

不过，对这项研究给予我们更多的数据，为此我表示敬意，如果未来的研究会随着训练量的变化而变化，我一定会让你们这些优秀的人知道的。

The second assumption is that the only work done in the system is the work that the pressure does to change the volume, known as pressure volume work.

第二个假设是系统中所做的唯一功是压力为改变体积所做的功，称为压力体积功。