Then, they use extremely high temperatures and pressures to blur the line between the liquid and gas phases, creating a supercritical fluid.

然后，他们用极高的温度和压力来模糊液体和气体阶段的分界线，制造超临界液体。

A substance that's not quite liquid or gas, known as supercritical fluid.

一种既不是液体也不是气体的物质， 称为超临界流体。