self-study
noun [ U ] uk/ˌselfˈstʌd.i/ us/ˌselfˈstʌd.i/
自学
a way of learning about a subject that involves studying alone at home, rather than in a classroom with a teacher
The diploma is awarded following a course of self-study ending in a three-hour exam. 在完成自学课程和3小时考试之后将获得证书。
self-study materials/workbooks/programs 自学材料／练习本／课程