房间里堆满了乱七八糟的玩具和衣服。

The room was filled with a ___welter of toys and clothes.

小狗兴奋地在雨后泥坑里打滚玩耍。

The puppy happily ___wallowed in the muddy puddle after the rain.

政府在过去几年里一直深陷政治危机之中。

The government has been ___wallowing in political crises for the past few years.