4K Pensive caucasian woman student thinking new idea indoor library thoughtful female girl teacher pondering looking at pensive 股票视频 Pensive caucasian woman student thinking new idea indoor library thoughtful female girl teacher pondering looking at pensive 股票视频
4K Thoughtful pensive caucasian woman teacher female student think inside library preparing exam young girl studying books thoughtful 股票视频 Thoughtful pensive caucasian woman teacher female student think inside library preparing exam young girl studying books thoughtful 股票视频
4K Pensive thoughtful caucasian girl teacher female student thinking idea studying indoor library young woman pondering pensive 影视素材 Pensive thoughtful caucasian girl teacher female student thinking idea studying indoor library young woman pondering pensive 影视素材
4K 深思熟虑的白人女性思考着一个想法，图书馆，学习的女孩，聪明的女高中生，老师，辅导员，书籍，作者 股票视频 深思熟虑的白人女性思考着一个想法，图书馆，学习的女孩，聪明的女高中生，老师，辅导员，书籍，作者 股票视频
4K Close up woman thoughtful girl face caucasian female pensive thinking teacher tutor high school college university close up woman 股票录像 Close up woman thoughtful girl face caucasian female pensive thinking teacher tutor high school college university close up woman 股票录像
4K Thinking caucasian girl high school student pupil thoughtful woman search think ponder female teacher studying library thinking 股票录像 Thinking caucasian girl high school student pupil thoughtful woman search think ponder female teacher studying library thinking 股票录像
4K Pensive thoughtful girl woman caucasian female thinking idea learning studying high school student teacher tutor books pensive 股票录像 Pensive thoughtful girl woman caucasian female thinking idea learning studying high school student teacher tutor books pensive 股票录像
4K Close up thoughtful caucasian woman businesswoman teacher student lady face smiling happy female girl thinking dreaming pondering 股票视频 Close up thoughtful caucasian woman businesswoman teacher student lady face smiling happy female girl thinking dreaming pondering 股票视频
4K Female teacher pink top entering walking gesturing engaging girl with silver laptop raising hand female teacher pink top entering 影视素材 Female teacher pink top entering walking gesturing engaging girl with silver laptop raising hand female teacher pink top entering 影视素材
4K Teacher asking teenage female student in hoodie raising hand lowering thinking in class at laptop classroom education learning 股票录像 Teacher asking teenage female student in hoodie raising hand lowering thinking in class at laptop classroom education learning 股票录像
4K African american teacher with class gesturing pipetting green liquid into test tubes at lab bench educator pupils laboratory 股票录像 African american teacher with class gesturing pipetting green liquid into test tubes at lab bench educator pupils laboratory 股票录像
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4K African american female child sitting front desk raising hand responding to teacher closed laptop african american female child 影视素材 African american female child sitting front desk raising hand responding to teacher closed laptop african american female child 影视素材
4K Teen presenting at front of class being prompted by passion slide gesturing teacher with tablet classroom audience speaking 影视素材 Teen presenting at front of class being prompted by passion slide gesturing teacher with tablet classroom audience speaking 影视素材
4K African american child girls sitting in classroom responding to teacher raising hand near tablet african american child girls 影视素材 African american child girls sitting in classroom responding to teacher raising hand near tablet african american child girls 影视素材
4K Two female schoolchildren listening to teacher in classroom near bulletin board to follow lesson two female schoolchildren 股票视频 Two female schoolchildren listening to teacher in classroom near bulletin board to follow lesson two female schoolchildren 股票视频
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