collaborateon Advancedalso onAcademic Vocabulary List (AVL)? 合作,通敌 collaborate collaborate(verb) 合作,通敌 collaboration collaboration(noun) 勾结,合作,通敌 collaborative collaborative(adjective) 协作的,合作的 collaborator collaborator(noun) 勾结者,合作者,通敌者 collaborating collaborating(adjective) 勾结的,合作的,通敌的 collaborationist collaborationist(noun) 协助者,通敌卖国者 Forms verbnounadjective collaborate collaboration collaborative collaborator collaborating collaborationist