subject of acupuncture and moxibustion theraphy

例句：

1. 1. The teacher asked the students to present their research subjects.
   老师要求学生们展示他们的研究主题。
2. 2. The book is about the history of the subject.
   这本书是关于这个学科的历史的。
3. 3. The student's performance was a subject of discussion in the class.
   学生的表现是课堂上讨论的话题。