进修班: class for advanced studiesclass for further studiesclass of advanced trainingclass of post-graduates
在职: be on the job; be at one's post 短语和例子在职身亡 died at one's post; 在职期间 during one's tenure of office; 在职干部 cadres at their posts; 在职教师 mid-career teachers; teachers at their posts; 在职科技人员 work