wallowing

n.

a puddle where animals go to wallow

an indolent or clumsy rolling about

"a good wallow in the water"

1. She spent the whole afternoon wallowing in her disappointment.
   她整个下午都沉浸在失望中。
2. The dog was happily wallowing in the river.
   那只狗高兴地在河里打滚。