ptyalography

例句：

1. 1. The ptyalographic research on the English alphabet has greatly advanced our understanding of its structure.
   关于英语字母的拼写学研究极大地推动了我们对它的结构的理解。
2. 2. Graphology is a field that studies how people write to reveal their personality traits.
   图象学是一门研究人们书写方式以揭示其个性特征的领域。
3. 3. In orthographics, we study the rules and conventions used in writing different languages.
   在正文字典中，我们研究用于书写不同语言的规则和惯例。