optional course和elective course都是指选修课,但是optional course是指选修课这个课程类型本身,而elective course是具体选修的科目。它们的具体用法如下:
optional course,选修课
例句:
(1)Chinese is our optional course to us students of science.
中文是我们这些理科学生的选修科目。
(2)By studying the motivation and interest of taking calisthenics as an
optional course,this topic is worth discussing.
对高职院校学生选修健美操课进行研究,是当前高校体育教学值得探讨的课题。
elective course,选修课
例句:
(1)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。
(2)This course is an elective course for graduate students in School of
MechanicalEngineering.
本课程是机械与动力工程学院研究生的一门选修课。