The teacher used visual aids to object teaching, making the complex concepts more understandable for the students.
老师使用直观教具进行直观教学，使复杂的概念对学生来说更容易理解。
Interactive models serve as effective aids to object teaching, enhancing students' engagement and learning experience.
互动模型作为有效的直观教具，增强了学生的参与度和学习体验。