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In Elementary School Class: Enthusiastic Teacher walks between Rows of Bright Diverse Children Explains Lesson. Group of Smart Multiethnic Kids Learning New Stuff. Side View Tracking Shot

视  频 ID：  1039961189
版      权：  Gorodenkoff
视频长度：  0:10
横纵比率：  16:9
所属分类：  人物 教育 
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