4K Diverse class teacher asking question and explaining recycling using bin labeled paper and bottles classroom education environment 股票录像 Diverse class teacher asking question and explaining recycling using bin labeled paper and bottles classroom education environment 股票录像
4K Yoga class teacher and group doing exercise at studio for mind body and chakra balance health fitness and calm yoga class teacher 影视素材 Yoga class teacher and group doing exercise at studio for mind body and chakra balance health fitness and calm yoga class teacher 影视素材
4K Year boy using laptop looking at screen in a computer class teacher comes and helps to pupil solve difficult problem education 股票视频 Year boy using laptop looking at screen in a computer class teacher comes and helps to pupil solve difficult problem education 股票视频
4K Pilates class teacher and people stretching in studio for mind body and fitness for chakra peace calm and group of pilates class 影视素材 Pilates class teacher and people stretching in studio for mind body and fitness for chakra peace calm and group of pilates class 影视素材
4K Pilates class teacher and people stretching in gym for mind body and fitness for chakra peace calm and group of pilates class 股票视频 Pilates class teacher and people stretching in gym for mind body and fitness for chakra peace calm and group of pilates class 股票视频
4K Geography lesson in school class teacher talks about france holding a flag in his hands geography lesson in school class teacher 股票录像 Geography lesson in school class teacher talks about france holding a flag in his hands geography lesson in school class teacher 股票录像
4K Yoga class teacher and woman balance in handstand exercise and training practice with personal trainer helping fitness club and 股票视频 Yoga class teacher and woman balance in handstand exercise and training practice with personal trainer helping fitness club and 股票视频
4K Yoga class teacher and group doing pilates exercise in a zen studio for mind body and chakra balance calm meditation and people 影视素材 Yoga class teacher and group doing pilates exercise in a zen studio for mind body and chakra balance calm meditation and people 影视素材
HD 在小学课堂上：老师在不同种族的孩子们之间走动，讲解课程：戈梅利，白俄罗斯 - 2020年1月9日 影视素材 在小学课堂上：老师在不同种族的孩子们之间走动，讲解课程：戈梅利，白俄罗斯 - 2020年1月9日 影视素材
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4K Participating in school animation child in online class with teacher on laptop participating in school animation child in online 向量例证 Participating in school animation child in online class with teacher on laptop participating in school animation child in online 向量例证
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