在语言诸要素中 ,词汇是对社会变化最为敏感的系统 ,每时每刻都在与外部环境进行着物质、能量与信息的交换。自中国改革开放以来 ,汉语词汇系统形成了一个新质要素不断产生和旧质要素不断消亡的“小高潮”。其中 ,有一种特殊而有趣的现象颇引人注意 ,即一些一度退出日常交际舞 Vocabulary is the most sensitive system of social change among the various elements of language. Every moment, words and energy and information are exchanged with the external environment. Since China’s reform and opening up, the Chinese lexical system has formed a “small orgasm” with the continuous emergence of new quality elements and the demise of old elements. Among them, there is a special and interesting phenomenon quite compelling, that some once quit daily dance