discourse

n. /ˈdɪskɔːrs/ C1

讲道；演讲；话语

Serious speech or writing about a particular subject; conversation.

仙境例句

The Mock Turtle began a long discourse on his school days, sighing between every word.

假海龟开始长篇大论地讲他的上学时光，每说一个词都要叹一口气。