翻开主要供中小学教师和学生使用的发行量很大的语文工具书《新华字典》，“贰”字条的注释是“‘二’的大写” (有的版本注作“‘二’字的大写” )。其实“贰”的意义远不只此，在古代汉语中作为常用词，它具有多方面的意义。“贰”的本义是“副”。《说文解字》中指出“贰， Opened mainly for primary and secondary school teachers and students with a large circulation of Chinese language books “Xinhua Dictionary”, “II” note is the “two 'capital” (some versions of the “second” Uppercase “). In fact, ”II“ is far more than just this. As a commonly used word in ancient Chinese, it has many meanings. The original meaning of ”II“ is ”vice“. ”Explain Word“ pointed out that ”II,