electiveadj.选举的;随意选择的n.[美]选修科目
elective program选修课程
elective subject选修科目
Elective content选学内容
elective affinity有择亲和势
elective subjects选修科目
elective abortion人工流产
Electivelv course选修课
elective benefits选择性优惠
elective Genesiac选择发生
elective Aerobics选修健美操