cooperative的名词是cooperation 和动词cooperate，cooperative中文意思是“合作的，协作的乐于配合的（企业或其他组织）合作性的”
He was transferred to FBI custody in a smooth cooperative effort between Egyptian and U.S. authorities.经埃及和美国政府的顺利合作，他被移交给了联邦调查局关押。
