痴货小逗逗
通选课：General Education；Liberal optional courses短语：物理通选课 Physics lesson通选课课表 Courses for General Education通识教育任选课 Optional Course of General Education选修课：optional course；elective course必修课：required course；compulsory courses辅修课：compulsory course；Minor Course主修课和辅修课：major & minor course
优质英语培训问答知识库
