1 (used about people and large animals) to lie and roll around in water, etc in order to keep cool or for pleasure （指人及大动物）在水里泡，打滚: I spent an hour wallowing in the bath. 我在浴缸里泡了一个小时。

2 to take great pleasure in sth (a feeling, situation, etc) 沉湎于: to wallow in self-pity (= to think about your unhappiness all the time and seem to be enjoying it) 沉湎于自怜之中