monologue
noun [ C ] (US also monolog) uk/ˈmɒn.əl.ɒɡ/ us/ˈmɑː.nə.lɑːɡ/
（一个人的）滔滔不绝的话，长篇大论
a long speech by one person
disapproving He subjected me to a monologue on his last stay in hospital. 他向我滔滔不绝地讲述了他上次住院的经历。
独角戏
a short play for one actor
Alan Bennett wrote a series of monologues called "Talking Heads". 艾伦‧贝内特写了一系列名为《头脑独白》的独角戏。