chain course

例句：

1. 1. The chain courseis designed to help students master the basics before moving on to more advanced topics.
   这个连续课程的设计是为了帮助学生掌握基础知识，然后再学习更高级的内容。
2. 2. In thischain course, each lesson builds uponthe previous one, ensuring a thorough understandingof the material.
   在这个连续课程中，每个课程都建立在前一个课程的基础上，确保对材料有透彻的理解。
3. 3. The chaincourse has been well-received byboth students and teachers, providing a structured and engaging learning experience.
   这个连续课程受到了学生和教师的广泛欢迎，提供了一个结构化且引人入胜的学习体验。