elective
adj. 选举的，由选举产生的；可选择的；有选举权的
n. 选修课
复数 electives
例句
Buchanan has never held elective office.
布坎南从未担任过选任职位。
《柯林斯英汉双解大词典》
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。
《新英汉大辞典》
To learn more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.
为了更多地了解中国文化，杰克决定选修中国民间音乐。
