4K African american female teacher and student teacher entering smiling student writing worksheet african american female teacher and 股票录像 African american female teacher and student teacher entering smiling student writing worksheet african american female teacher and 股票录像
4K Helpful female teacher guide young schoolgirl to assemble robotic toy on desk smart pupil learn mechanical engineering and 股票视频 Helpful female teacher guide young schoolgirl to assemble robotic toy on desk smart pupil learn mechanical engineering and 股票视频
4K Female teacher seeing screens guiding two teenage female students in classroom with tablets female teacher seeing screens guiding 股票录像 Female teacher seeing screens guiding two teenage female students in classroom with tablets female teacher seeing screens guiding 股票录像
4K Female teacher walking in as male child raising hand leaning in classroom explaining laptop female teacher walking in as male 股票视频 Female teacher walking in as male child raising hand leaning in classroom explaining laptop female teacher walking in as male 股票视频
4K Female teacher entering classroom raising hands leaning to boy teaching kids on laptops copy space female teacher entering 股票录像 Female teacher entering classroom raising hands leaning to boy teaching kids on laptops copy space female teacher entering 股票录像
4K Female teacher showing to female youth at lab bench reaching arranging green test tubes in rack classroom science mentorship 股票视频 Female teacher showing to female youth at lab bench reaching arranging green test tubes in rack classroom science mentorship 股票视频
4K Female teacher and students teacher seeing child confusion walking leaning guiding tablet at desk classroom edtech instruction 股票视频 Female teacher and students teacher seeing child confusion walking leaning guiding tablet at desk classroom edtech instruction 股票视频
4K Female teacher teaching youth in lab pointing steadying as curly youth pouring cup into cylinder instructor classroom science 影视素材 Female teacher teaching youth in lab pointing steadying as curly youth pouring cup into cylinder instructor classroom science 影视素材
4K Asian female teacher leading class pointing to passion slide calling teenage blonde to answer asian female teacher leading class 股票视频 Asian female teacher leading class pointing to passion slide calling teenage blonde to answer asian female teacher leading class 股票视频
4K Female teacher with seven students positioning tablet in folio case on white table teaching female teacher with seven students 影视素材 Female teacher with seven students positioning tablet in folio case on white table teaching female teacher with seven students 影视素材
4K Female teacher in lab coat with children preparing using dropper raising test tube teaching in lab female teacher in lab coat with 股票录像 Female teacher in lab coat with children preparing using dropper raising test tube teaching in lab female teacher in lab coat with 股票录像
4K Female teacher with kids leading science asking on tablet guiding kid inspecting plants with lens female teacher with kids leading 股票视频 Female teacher with kids leading science asking on tablet guiding kid inspecting plants with lens female teacher with kids leading 股票视频
4K Female teacher with six children tapping tablet on white table in classroom sharing content female teacher with six children 股票录像 Female teacher with six children tapping tablet on white table in classroom sharing content female teacher with six children 股票录像
4K Female teacher holding tablet calling on girl rising walking picking up project in classroom educator students learning artwork 股票录像 Female teacher holding tablet calling on girl rising walking picking up project in classroom educator students learning artwork 股票录像
4K Diverse class female teacher responding to students raising hands walking near passion screen diverse class female teacher 影视素材 Diverse class female teacher responding to students raising hands walking near passion screen diverse class female teacher 影视素材
4K Diverse female teacher speaking choosing child kids raising hands about recycling at paper bin diverse female teacher speaking 股票视频 Diverse female teacher speaking choosing child kids raising hands about recycling at paper bin diverse female teacher speaking 股票视频
4K Female teacher holding tablet as youth stepping presenting project gesturing at screen in class female teacher holding tablet as 影视素材 Female teacher holding tablet as youth stepping presenting project gesturing at screen in class female teacher holding tablet as 影视素材
4K Diverse female teacher leaning in guiding two children tapping blue dark tablets at desk to learn classroom instructor students 股票录像 Diverse female teacher leaning in guiding two children tapping blue dark tablets at desk to learn classroom instructor students 股票录像
4K African american female teacher guiding two girls by smiling and pointing at tablets in classroom african american female teacher 股票视频 African american female teacher guiding two girls by smiling and pointing at tablets in classroom african american female teacher 股票视频
4K Female teacher with six kids reacting to white laptop surprise laughing and pointing in classroom female teacher with six kids 股票录像 Female teacher with six kids reacting to white laptop surprise laughing and pointing in classroom female teacher with six kids 股票录像
4K Diverse female teacher and kids arranging tube rack at lab demonstrating pipette adding red drops science classroom instructor 股票录像 Diverse female teacher and kids arranging tube rack at lab demonstrating pipette adding red drops science classroom instructor 股票录像
4K African american female teacher guiding youth stirring beaker filling rack with red liquid in lab african american female teacher 股票视频 African american female teacher guiding youth stirring beaker filling rack with red liquid in lab african american female teacher 股票视频
4K Female teacher in lab coat placing tube at counter guiding girls after left girl fiddling goggles female teacher in lab coat 股票视频 Female teacher in lab coat placing tube at counter guiding girls after left girl fiddling goggles female teacher in lab coat 股票视频
4K 拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖带拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖带 影视素材 拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖带拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖拖带 影视素材
4K 聚焦于一位企业家在霓虹灯闪烁的夜间城市街道上用智能手机发短信。一位女性正在用智能手机发短信 影视素材 聚焦于一位企业家在霓虹灯闪烁的夜间城市街道上用智能手机发短信。一位女性正在用智能手机发短信 影视素材
4K 快乐的女人在城市和夜景的映衬下说“是”，欢欣雀跃。穿着正式服装的女人高兴地跳跃，拿着电话说“是”，代表着新的机会。兴奋的女人说“是”。 影视素材 快乐的女人在城市和夜景的映衬下说“是”，欢欣雀跃。穿着正式服装的女人高兴地跳跃，拿着电话说“是”，代表着新的机会。兴奋的女人说“是”。 影视素材
4K 聚焦于一位使用智能手机的经理，站在充满霓虹灯的夜间城市街道上。一位使用智能手机的女性经理 影视素材 聚焦于一位使用智能手机的经理，站在充满霓虹灯的夜间城市街道上。一位使用智能手机的女性经理 影视素材
4K 吸引人的年轻女性闭上眼睛在工作室进行在线瑜伽课程冥想，给自己休息一下，在线瑜伽社区扔掉笔记本电脑，健康和生活方式。年轻女性在在线瑜伽课程中做练习 影视素材 吸引人的年轻女性闭上眼睛在工作室进行在线瑜伽课程冥想，给自己休息一下，在线瑜伽社区扔掉笔记本电脑，健康和生活方式。年轻女性在在线瑜伽课程中做练习 影视素材
4K 在台式电脑笔记本电脑上工作的女性，其笔记本电脑的使用寿命为绿色. 在咖啡馆或购物中心的女性 股票视频 在台式电脑笔记本电脑上工作的女性，其笔记本电脑的使用寿命为绿色. 在咖啡馆或购物中心的女性 股票视频
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