So,intervention of promoting exclusive breastfeeding for the first six months of life no solid food,no other liquid could result in up to Just this intervention."

VOA: standard.2009.11.02

Maybe you're not looking at a reaction, but you've got some new compound, and you're looking at it go from liquid to solid or to gas.

也许你研究的不是一个反应,但你得到了一种新的化合物,你看着它从液体变成了固体或气体。

麻省理工公开课 - 热力学与动力学课程节选

Does stuff change phase to go from liquid to solid and so forth, right?

物质是否从液体转变为固体,相变到底在什么位置出现？

麻省理工公开课 - 热力学与动力学课程节选