Usages of ders
Üniversitede dersler zor.
Courses at the university are hard.
Bu zorunlu derse katılmadan mezun olmak mümkün değildir.
It is not possible to graduate without attending this mandatory course.
Sınıfta seçmeli dersler var.
There are elective courses in the class.
Elon.io is an online learning platform
We have an entire course teaching Turkish grammar and vocabulary.