vi.合作，配合，协助；v.合群；互助；结合； 变形： 过去式：cooperated过去分词：cooperated现在分词：cooperating第三人称单数：cooperates 双语释义：v.(动词)vi. 合作; 配合,协助 work or act together with another or others; be helpful and do as one is asked英英释义： cooperate[ kəu'ɔpəreit ]v.work together on a common ent