senior professor teaching a student sitting at desk in adult education classroom - 教授 個照片及圖片檔培訓班, 教育, 教師
businessman giving a presentation to an audience - editable stroke and solid icons - 教授 幅插畫檔、美工圖案、卡通及圖標講台, 演示 - 演講
teacher line icon set. group of object. professor, university, school, kindergarten, books, student, class. - 教授 幅插畫檔、美工圖案、卡通及圖標教育, 學校建築
mature adult woman mentoring younger man, discussing business, education, and technology using laptop - 教授 個照片及圖片檔
teacher writing on the board while teaching a class to a group of medical students - 教授 個照片及圖片檔醫生, 培訓班, 學習
college students listening to their senior teacher on a class at lecture hall. - 教授 個照片及圖片檔演講廳, 學生, 課室
multiracial asian hispanic pacific islander mature woman talking with colleagues in business office in meeting - 教授 個照片及圖片檔亞洲和印度人, 討論, 說話
diverse students asking questions and discussing with a professor during a university lecture - 教授 個照片及圖片檔演講廳
happy senior professor talking to his students during a casual class at lecture hall. - 教授 個照片及圖片檔學生, 說話, 通訊
