The teacher noticed paragraphia in the student's writing, which indicated a difficulty in forming correct letters.
老师注意到学生的书写中有书写倒错，这表明他们在形成正确字母方面有困难。
Paragraphia can be a symptom of dysgraphia, a learning disorder affecting writing skills.
书写倒错可能是书写障碍的症状，这是一种影响写作技能的学习障碍。