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Elementary Classroom of Diverse Bright Children Listening to the Teacher Giving a Lesson. Everyone Raises Hand Knowing the Right Answer. Brilliant Kids in School Learning Science Creative Thinking

视  频 ID：  1039966958
版      权：  Gorodenkoff
视频长度：  0:14
横纵比率：  16:9
所属分类：  人物 教育 
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