adj.选任的；有选举权的；（课程）选修的；（可选择的）可选择的n.选修课程； 变形： 复数：electives 英英释义： elective[ i'lektiv ]n.a course that the student can select from among alternatives同义词：elective courseadj.subject to popular election"elective official"同义词：electednot compulsory"elective surger