1N-COUNT [oft poss NOUN](研究方面的)合作者,协作者;(书的)合著者 A collaborator is someone that you work with to produce a piece of work, especially a book or some research. (研究方面的)合作者,协作者;(书的)合著者
The Irvine group and their collaborators are testing whether lasers do the job better.
欧文研究小组和他们的合作伙伴正在测试激光是否会更为有效。
2N-COUNT 通敌者;(与占领军)勾结的人 A collaborator is someone who helps an enemy who is occupying their country during a war. 通敌者;(与占领军)勾结的人 [disapproval]
Two alleged collaborators were shot dead by masked activists.