Free elective course的表面意思是“自由选择的课程”,必修课就是“required course”。还有哦一种课程叫做“option course”,这种课程相当于课外活动,学到一门学问,舞蹈或音乐的课程。2拓展例句e.g. In college, English is a required course and psychology is an elective course.在大学里,英语是必修课而心理学是选修课。e.g. Most of the students of our class take Japanese as an elective course.我们班大部分同学选修日语。