高级教授在课堂上给学生们讲课。 灰发医生指着身体轮廓，解释人体解剖学。 教育、会议、课堂、医学概念的矢量图解/Senior professor lecturing students group in classroom. Grey haired doctor pointing at body silhouette, explaining human anatomy. Vector illustration for education, conference, class, medicine concept

素材名称：高级教授在课堂上给学生们讲课。 灰发医生指着身体轮廓，解释人体解剖学。 教育、会议、课堂、医学概念的矢量图解

英文名称：Senior professor lecturing students group in classroom. Grey haired doctor pointing at body silhouette, explaining human anatomy. Vector illustration for education, conference, class, medicine concept

素材分类：矢量

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