• 1. optional course: 选修课 | 选修课程
• 2. Optional Course of General Education: 通识教育任选课
• 3. to take an optional course: 选修

更多释义

• 1.Is that optional course as hard as everybody says?
  那门选修课真像大家说的那么难吗？
  dict.yoduao.com
• 2.You took an optional course this semester, didn't you?
  你这学期选了一门选修课，是吗？
  dict.yoduao.com
• 3.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。
  dict.yoduao.com

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