小狗在河边欢快地踩着水，发出哗啦哗啦的声音。

The puppy was happily ___splish-splashing in the water by the riverbank.

孩子们在雨中快乐地跑来跑去，发出哗啦哗啦的水声。

The kids ran happily in the rain, making a ___splish-splash sound with every step.