4K Caucasian group teenagers students girls boys posing smiling at camera in school pupils university college males females men women 影视素材 Caucasian group teenagers students girls boys posing smiling at camera in school pupils university college males females men women 影视素材
4K 航拍无人机俯视一群青少年在阳光明媚的下午，在码头旁骑自行车，留下长长的影子 - 垂直视频 影视素材 航拍无人机俯视一群青少年在阳光明媚的下午，在码头旁骑自行车，留下长长的影子 - 垂直视频 影视素材
4K Concentrated girl in white kimono practicing punches gym during martial arts workout with multiracial group of tweens focused 股票视频 Concentrated girl in white kimono practicing punches gym during martial arts workout with multiracial group of tweens focused 股票视频
4K Group of teens playing board game group of teens playing board game teenagers have fun during meetings and gatherings 影视素材 Group of teens playing board game group of teens playing board game teenagers have fun during meetings and gatherings 影视素材
4K In sport studio with group of friends boy perform bridge pose setu bandha sarvangasana fitness children male teen participates 股票视频 In sport studio with group of friends boy perform bridge pose setu bandha sarvangasana fitness children male teen participates 股票视频
4K Teenage boys and girls are sitting in the classroom they are watching the presentation carefully interested students are able to 股票录像 Teenage boys and girls are sitting in the classroom they are watching the presentation carefully interested students are able to 股票录像
4K In store near snack display case mom and boy stand with phone recall planned products are shopping grocery they specify items 影视素材 In store near snack display case mom and boy stand with phone recall planned products are shopping grocery they specify items 影视素材
HD Kids learning together about czech republic in geography class female teacher showing flag to 影视素材 Kids learning together about czech republic in geography class female teacher showing flag to 影视素材
4K During lecture meeting at class teens and preteens pupil listen to female teacher off line training about application of ai 股票录像 During lecture meeting at class teens and preteens pupil listen to female teacher off line training about application of ai 股票录像
4K 芭蕾舞学校一群集中的青少年学生，在校园中勤练“Demi rond de jambe par terre” 股票视频 芭蕾舞学校一群集中的青少年学生，在校园中勤练“Demi rond de jambe par terre” 股票视频
4K Group of teenagers dancing hip hop in studio group of teenage boys and girls rehearsing hip hop dance moves in studio 股票录像 Group of teenagers dancing hip hop in studio group of teenage boys and girls rehearsing hip hop dance moves in studio 股票录像
4K Group of boys and girls in kimonos train karate techniques studio children 股票录像 Group of boys and girls in kimonos train karate techniques studio children 股票录像
4K Children and teenagers sit at a table paint ceramics the workshop teacher shows how to clay product in an art studio woman dishes 影视素材 Children and teenagers sit at a table paint ceramics the workshop teacher shows how to clay product in an art studio woman dishes 影视素材
4K 一群专注的芭蕾舞学校青少年学生正在把杆旁勤奋地练习地面半绕腿 (Demi rond de jambe par terre) 股票视频 一群专注的芭蕾舞学校青少年学生正在把杆旁勤奋地练习地面半绕腿 (Demi rond de jambe par terre) 股票视频
4K Group of teenagers and students discuss the task at the table they exchange opinions and theories against the background of 股票视频 Group of teenagers and students discuss the task at the table they exchange opinions and theories against the background of 股票视频
4K Group of teens playing board game teenagers have fun during meetings and gatherings enthusiastically excitedly fulfill conditions 股票录像 Group of teens playing board game teenagers have fun during meetings and gatherings enthusiastically excitedly fulfill conditions 股票录像
4K 一群不同种族的青少年男女，芭蕾舞课学生，在课上对着把杆练习半蹲 (demi plié) 以 股票视频 一群不同种族的青少年男女，芭蕾舞课学生，在课上对着把杆练习半蹲 (demi plié) 以 股票视频
4K Male trainer teaches group of teenagers hip hop young guy trainer shows group of teenagers hip hop dance moves in studio 股票录像 Male trainer teaches group of teenagers hip hop young guy trainer shows group of teenagers hip hop dance moves in studio 股票录像
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