本文根据最近发展区理论、情境学习理论和社会实践理论,指出情境和实践参与是二语学习者语用习得的关键因素,第二课堂是二语习得重要的语用教学场所。在此基础上,文章分析了基于实践社区的第二课堂语用教学的可行性与构成要素,构建了“蛋糕”式教学模型,并进行了详细的运作说明。 Based on the theory of recent development zone, situational learning theory and social practice theory, this paper points out that the participation of situation and practice is the key factor of second language learners’ pragmatic acquisition, and the second one is the important place of second language acquisition pragmatic teaching. On this basis, the article analyzes the feasibility and components of the second classroom pragmatic teaching based on the practice community, constructs the “cake” teaching model, and gives a detailed description of the operation.