Both measurements affect the air's sponginess.

这两种测量都会影响空气的海绵状。

I did so now, feeling an unlikely sponginess at its centre.

我现在这样做了，感觉它的中心有一种不太可能的海绵状。

In other words, water responds to the sponginess—the thirstiness—of the atmosphere.

换句话说，水会响应大气的海绵状——口渴感。