学术演讲是公众演讲的一个重要分支。它属于公众演讲,又有其独特的演讲目的。比尔.盖茨在清华大学的演讲词是一篇典型的学术演讲,其语言描写(词汇层面、句法特征、修辞手段)、语篇(替换关系和连接关系)和语境(语场、语旨及语式)等方面都体现了学术演讲的特征。 Academic speech is an important branch of public speaking. It belongs to public speaking and has its unique purpose of speech. The speech of Bill Gates at Tsinghua University is a typical academic speech with its language description (lexical level, syntax features, rhetorical devices), discourse (replacement relationship and connection relationship), and context (text field, semantics) And language and other aspects all reflect the characteristics of the academic speech.