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Close-up of child's hands writing down figures. Caucasian schoolgirl doing math in the exercise book. Elementary student learning lessons. Education studying concept. Cinema 4k ProRes HQ.

视  频 ID：  1041905047
版      权：  photo_oles
视频长度：  0:06
横纵比率：  1.90:1
所属分类：  人物 教育 
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