4K Diverse students during lesson female preteen concentrating on laptop typing and checking screen diverse students during lesson 股票录像 Diverse students during lesson female preteen concentrating on laptop typing and checking screen diverse students during lesson 股票录像
4K Young female students are studying and working on an outdoor university campus they are concentrating on their academic tasks in a 影视素材 Young female students are studying and working on an outdoor university campus they are concentrating on their academic tasks in a 影视素材
4K Focused couple working project together on green campus lawn young students concentrating notebooks discussing ideas park grass 影视素材 Focused couple working project together on green campus lawn young students concentrating notebooks discussing ideas park grass 影视素材
4K Diverse students playing hand game boy extending hand girl counting passing time on bench with bags diverse students playing hand 股票视频 Diverse students playing hand game boy extending hand girl counting passing time on bench with bags diverse students playing hand 股票视频
4K African american students typing and pausing at desks in classroom working on silver laptop lesson youth computer focus learning 股票视频 African american students typing and pausing at desks in classroom working on silver laptop lesson youth computer focus learning 股票视频
4K Students engage in a lively discussion about their studies while sitting on campus stairs young learners are seen collaborating 股票视频 Students engage in a lively discussion about their studies while sitting on campus stairs young learners are seen collaborating 股票视频
4K African american teacher stepping forward smiling while camera zooming engaging students at desks african american teacher 股票录像 African american teacher stepping forward smiling while camera zooming engaging students at desks african american teacher 股票录像
4K Diverse classroom focusing teacher nearing indian teen girl pink top headset tapping tablet working students edtech tablets 影视素材 Diverse classroom focusing teacher nearing indian teen girl pink top headset tapping tablet working students edtech tablets 影视素材
4K Diverse children watching african american teacher reaching flask teaching green pipet drops at lab classroom demonstration 股票录像 Diverse children watching african american teacher reaching flask teaching green pipet drops at lab classroom demonstration 股票录像
4K School pupils fixing goggles using test tubes flask as teacher in lab coat gesturing at bench school pupils fixing goggles using 影视素材 School pupils fixing goggles using test tubes flask as teacher in lab coat gesturing at bench school pupils fixing goggles using 影视素材
4K Three schoolboys in goggles at lab counter green rack appearing striped boy handling it learning three schoolboys in goggles at 股票视频 Three schoolboys in goggles at lab counter green rack appearing striped boy handling it learning three schoolboys in goggles at 股票视频
4K Four school age girls gathering left girl tapping tablet collaborating on math task in classroom four school age girls gathering 影视素材 Four school age girls gathering left girl tapping tablet collaborating on math task in classroom four school age girls gathering 影视素材
4K Diverse children at table left glancing camera opening book middle marking right writing work classroom students learning focus 股票录像 Diverse children at table left glancing camera opening book middle marking right writing work classroom students learning focus 股票录像
4K Classmates preteen girls main girl tapping white laptop in class for classwork stretching fingers classmates preteen girls main 影视素材 Classmates preteen girls main girl tapping white laptop in class for classwork stretching fingers classmates preteen girls main 影视素材
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