吃透英语课本，提升在校竞争力
v. 合作；协作；通敌
现在分词：collaborating
第三人称单数：collaborates
过去式：collaborated
过去分词：collaborated
Much later he collaborated with his son Michael on the English translation of a text on food production.
后来他和儿子迈克尔合作，把一个有关食品生产的文本翻译成英语。
During the late seventies, he collaborated with the legendary Muddy Waters.
70年代后期，他和大名鼎鼎的马迪•沃特斯合作过。
The two nations are collaborating on several satellite projects.
两国在几个人造衞星项目上展开合作。
collaborate with
合作；通敌；与敌人合作
vi.合作；勾结，通敌
team
work together
