0:00/0:18
倍速
  • x2
  • x1
  • x0.5
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4k wide shot of multicultural group of university students resourcing information via cloud/ information database technology using a digital laptop computer and wifi at their local study hang out.

视  频 ID：  10527911
版      权：  Donavan Whyte
视频长度：  0:18
横纵比率：  16:9
所属分类：  科技 教育 
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