pilology

例句：

1. 1. Pilology is the study of language and its structure.
   语法学是研究语言及其结构的研究。
2. 2. He has a deep understanding of rhetoric in his writing.
   他在写作中对修辞有深刻的理解。
3. 3.Stylistics is the study of how words are used to convey meaning in different contexts.
   风格学是研究如何通过词语在各种情境中传达意义的学科。