collaborative
adjective [ before noun ] uk/kəˈlæb.ər.ə.tɪv/ us/kəˈlæb.ɚ.ə.t̬ɪv/
合作的;协作的
involving two or more people working together for a special purpose
The presentation was a collaborative effort by all the children in the class. 演出是全班孩子共同努力的结果。