选修课程

例句：

1. 1.Students have the option to take an elective course in their major.
   学生可以选择他们主修课程中的一门选修课。
2. 2. The school offers a wide range of elective courses for students to choose from.
   学校为学生提供了广泛的选修课程供选择。
3. 3.In some colleges, students must take at least one elective course to graduate.
   在一些大学，学生至少需要选修一门选修课才能毕业。