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(大学或学院导师的)专门指导课，辅导课
In a university or college, a tutorial is a regular meeting between a tutor and one or several students, for discussion of a subject that is being studied.
例句
The methods of study include lectures, tutorials, case studies and practical sessions.
学习方法包括讲课、导师辅导、个案研究与实习。
...teaching in small tutorial groups.
小组辅导教学