noun 下载 🔗分享 教材, 课本 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. " 教授说我们需要买那本新的历史课教材。 education literature writing language 与AI对话词汇游戏阅读练习