noun 다운로드 🔗공유 교재, 강사용 책 A textbook, a book designed to accompany a specific academic course, or one specified by the writers of the course to be read by its students. Examples : "The professor said we need to buy the new coursebook for the history class. " 교수님은 우리가 역사 수업을 위해 새 교재를 사야 한다고 말씀하셨다. education literature writing language AI와 채팅어휘 게임독해 연습