plopping

The stone fell into the water with a plop.

那颗石子咚的一声掉进了水里。

He came and plopped down next to me.

他走过来，在我旁边重重坐下。

I noticed drops of water plopping onto the carpet.

我注意到水正嘀嘀嗒嗒往地毯上滴。