Orthorrhapha

例句：

1. 1. The orthorhapha of the word "apple" is a crucial part of understanding its meaning and pronunciation.
   单词“apple”的正字是理解其意义和发音的关键部分。
2. 2. In the field of education, orthorhapha plays an important role in teaching students how to read and write correctly.
   在教育领域，正字法在教授学生正确阅读和书写方面发挥着重要作用。
3. 3. The orthorhapha of the word "tree" is essential for understanding its structure and function.
   单词“tree”的正字对于理解其结构和功能至关重要。