选修课：指在学校中，学生可以根据自己的兴趣和需要自由选择的课程，通常不是必修课程。
选项课-引用次数：26
The optional course of volleyball is one of the courses opened in general colleges.
排球选项课是普通高校普遍开设的体育课程教学内容之一。
选修课-引用次数：5
For a long time, there exists a problem in Chinese higher education, which is about the unreasonable proportion between compulsory course and optional course:there are so many compulsory courses while so few optional courses.
长期以来,中国的高校教育存在着必修课和选修课比例不合理的问题,必修课偏多,选修课偏少。
专修课-引用次数：2
选修课-引用次数：4
Nursing Psychology, Nursing Principles of Management, Nursing English, Nursing Ethnics should to be obligatory courses in the students' opinion, the other courses should to be optional course and most of them should be setted as mini-course.
学生认为必修的社会人文课程只有护理心理学、护理管理学、护理专业英语和护理伦理学，其他课程应为选修课，且建议大部分为应以微型课程的形式开设。
... drinking machines饮料机 optional course选修课 permanent records永久记录 ...
... 美国历史US history 选修课程Optional course 体育专项 Sports ...
选修课，选修课程
Is that optional course as hard as everybody says?
那门选修课真像大家说的那么难吗？
You took an optional course this semester, didn't you?
你这学期选了一门选修课，是吗？
By setting Peking Opera as an optional course, students may have more freedom to decide whether to take it or not.
通过将京剧设置为选修课，学生们可以有更多的自由决定是否选修京剧。
I want to just go over the requirements of the course that really are required, not the optional piece, just so that you understand what my purpose is pedagogically.
我只想跟大家回顾一下,这门课程的必须要求，并非可以自由选择的,这样你们会理解我的目的何在。
1945年后的美国小说课程节选 : 耶鲁公开课
These are completely optional, not required for the course, so there's no obligation for you guys to get involved in these things, but I'll mention these things as we go along in case anybody would like to get involved in working with professors or graduate students.
这些都是自愿选择的,而不是课程要求,所以并不强制你们都参加,但随着课程的进行,我还会不断提及,便于任何感兴趣的同学,能够与教授或研究生一同参与研究
关于食物的心理学、生物学和政治学课程节选 : 耶鲁公开课
Razer had to change more than Project Fiona's name to stay under budget, of course -- the prototype's handlebar controllers have migrated to an optional gamepad dock.