n.谈话，讨论；（一系列的）演讲，文章
vi.讲述；谈话
vt.叙述；讨论
They listened to his discourse on human relations. 他们听他作关于人际关系的演讲。
用作不及物动词 (vi.)He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律，给人以深刻的印象。
The teacher is discoursing with him. 老师正在和他谈话。
用作及物动词 (vt.)The old man discoursed his experiences when he was a child. 这位老人叙述了他孩子时的经历。
