言语体裁理论研究表述及其典型形式，功能修辞学研究功能语体。
Speech genre theory studies linguistic presentation and its typical forms, whereas functional rhetoric studies functional style.
“言语交际”、“表述”和“言语体裁”等概念是构成巴赫金言语体裁理论主要内容的三个关键词。
The present paper aims to analyze Bakhtins Speech Genre Theory through three key words: speech communication, discourse and speech genre.
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