tenured
adjective uk/ˈten.jəd/ us/ˈten.jɚd/
（尤指在教育领域）享有终身职位的
having been given tenure (= the right to remain permanently in a job, usually one in education)
tenured professors 终身教授
The college has 3,500 faculty members, 80 percent of whom are tenured. 学院有3500名教职人员，其中80%享有终身职位。