He lay languorously in the hammock, enjoying the breeze.

languorously 是副词，由形容词 languorous（慵懒的）加上副词后缀 -ly 构成。languorous 来自名词 languor（倦怠、慵懒），描述一种懒散、无精打采的状态。languorously 表示"以慵懒的方式"。