1、The liquefactive property of certain chemicals allows them to be easily converted from a solid or gas state into a liquid form.
某些化学物质的液化性质使它们能够很容易地由固态或气态转变为液态形式。

2、In the laboratory, scientists used extreme temperatures and pressure to induce the liquefactive phase transition of the substance.
在实验室中，科学家利用极端的温度和压力来诱导物质的液化相变。