六书

例句：

1. 1. The ancient texts describethe six basic methods of Chinese characters.
   古代文献描述了汉字的六种基本构造方法。
2. 2.He studied the ancient rules of Chinese writing.
   他研究了古代汉字书写的规则。
3. 3. The classificationand structure of Chinese characters are essential forunderstanding their history.
   汉字的分类和结构对于理解其历史至关重要。