孩子们穿着雨靴在泥泞的后院里欢快地踩来踩去，发出噗嗤噗嗤的声音。

The kids happily stomped around in the ___sloshy backyard with their rain boots on.

这杯柠檬水太淡了，几乎尝不出味道。

The lemonade is too ___watery, almost tasteless.