在教学实践中，我把讲述概念的过程概括为分层、释义、延伸三步曲。分层。分层是按句子成分把概念分成苦干层次，其目的是明确此概念有哪些具体内容。例如：“国家是经济上占统治地位的阶级进行阶级统治的政治权力机关。”理解这一概念首先要明确国家是政治权力机关；其次是明? In teaching practice, I summarized the process of describing concepts into three stages: stratification, interpretation, and extension. Layered. Stratification is based on sentence components to divide the concept into hard work. Its purpose is to clarify what specific content this concept has. For example: “The state is the political power organ for class rule by the economically dominant class.” To understand this concept, it must first be made clear that the state is the political power organ;