He discoursed for several hours on French and English prose.他花了几个小时讲述法国和英国的散文。The scholar discoursed at great length on the poetic style of John Keats.那位学者详细讲述了约翰·济慈的诗歌风格.He discoursed on an interesting topic.他就一个有趣的题目发表...

vi.演说（discourse的过去式与过去分词形式）...

He discoursed for several hours on French and English prose.他花了几个小时讲述法国和英国的散文。The scholar discoursed at great length on the poetic style of John Keats.那位学者详细讲述了约翰·济慈的诗歌风格.He discoursed upon the poetic style of John Keats...

discoursed的音标：...