方言和语域是系统功能语言学中的重要概念,是用于在不同语境下描述语言变体的两个维度,反之,也可以从这两个维度来分析具体语境下的话语特点。该文以《刘心武揭秘红楼梦》讲座中的话语为例,结合方言和语域这两个维度,对《百家讲坛》的说课风格进行探佚。 Dialect and register are important concepts in system functional linguistics. They are two dimensions for describing linguistic variants in different contexts. On the other hand, dialect and register are also used to analyze discourse characteristics in specific contexts from these two dimensions. Taking the discourse of lecture on “The Story of a Red Mansion in Liu Xvwu” as an example, this paper combines the dialect and the register to explore the style of lecturing in the “Lecture Room”.