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Group of Multiethnic Enthusiastic Students Collaborate in University Classroom Compare Research Project Findings on a Laptop Computer. Diverse Scholars Working as a Team on College Homework

视  频 ID：  1103066927
版      权：  Gorodenkoff
视频长度：  0:17
横纵比率：  16:9
所属分类：  人物 教育 
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