refresher course
n.复习课程,进修课程
难易程度:
refresher course为短语/超纲词汇
refresher course
course of instruction for egteachers to learn about new techniques and developmentsin their field 进修课程(如为教师等设的业务知识更新课).
refresher course
n[C]
a training course, usually a short one, that teaches you about new developments in a particular subject or skill, especially one that you need for your job