You can think of them like very tightly wound and very stiff springs.

你可以把它们想象成缠绕得很紧的弹簧。

And smaller drops act like smaller springs that are actually stiffer than the larger drop. And stiffer springs will bounce off faster.

较小的水滴就像更小的弹簧，比大的更硬。而较硬的弹簧会弹跳得更快。