/kəʊˌɒpəˈreɪʃn ||; koˌɑpəˈreʃən/(
brit also 英亦作
co-operation)
noun [U]:
1 cooperation (with sb) working together with sb else to achieve sth 合作；协力: Schools are working in close cooperation with parents to improve standards. 学校与家长紧密合作以提高教学水平。
2 help that you give by doing what sb asks you to do 合作；协助: The police asked the public for their cooperation in the investigation. 警方呼吁公众协助调查。