英汉解释

adj. 选修的；选举的；选任的
n. 选修课程

同义词

n. elective course
a. elected

反义词

a.   appointed，appointive

参考例句

1. The choice of elective subjects is left entirely to the students.
对于选修课程的选择权完全交给了学生。
2. No. Besides required classes, you can choose the elective classes which you like.
不是，除了必修课以外，你可以自行挑选你喜欢的选修课。
3. Eliot's reforms included elective courses, small classes, and entrance examinations.
艾略特的改革包括选修课程，小班授课，并入学考试。

英英解释

n.
  1. a course that the student can select from among alternatives
  2. subject to popular election
  3. not compulsory

网络释义

elective
选择的，随意的; 可选择的; 选任的; 选修;
elective system
选修制; 选课制度; 选科制; 选课制;
elective mutism
拒言性; 选择性缄默症; 选择性不语症; 選擇性不語症;
elective courses
选修课程; 选修课; 序号 选修课; 序号 选修课;
elective subject
选习科; 选修课; 选修科; 选习科——;