cooperating class

例句：

1. 1.This is a cooperative class, where students work together to complete assignments.
   这是一个合作班级，学生们一起完成作业。
2. 2.In this cooperative class, everyone contributes their ideas and helps each other.
   在这个合作班级中，每个人都贡献自己的想法并互相帮助。
3. 3. The cooperative class has been working on a project for several weeks now.
   这个合作班级已经连续几周在做一个项目了。