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Male Student Gesturing and Holding Tablet while Working at Project with Classmate and Black Teacher. People Analysing Modern Technologies During Lesson. Science and Developing Concept. Slow Motion

视  频 ID：  1089136451
版      权：  Gorodenkoff
视频长度：  0:17
横纵比率：  16:9
所属分类：  人物 科技 
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