monologue
🇬🇧/ˈmɒnəlɒɡ/ 🇺🇸/ˈmɑːnəlɔːɡ/If you refer to a long speech by one person during a conversation as a monologue, you mean it prevents other people from talking or expressing their opinions. 长篇大论
noun [具体名词] 长篇独白,独角戏;长篇大论,滔滔不绝的讲话
His actions were accompanied by a rambling monologue. 他的行动伴随着一串冗长含糊的独白。