HD A woman in red sweater takes her first training steps on the accordion carefully pressing keys fingers to coordinate movement she 股票视频 A woman in red sweater takes her first training steps on the accordion carefully pressing keys fingers to coordinate movement she 股票视频
HD Close up of an acoustic guitar as a woman in a red sweater practices her first training steps training her hands to strum smoothly 股票录像 Close up of an acoustic guitar as a woman in a red sweater practices her first training steps training her hands to strum smoothly 股票录像
4K First baseman catching incoming throw with sparkles and tagging runner out for sports training first baseman catching incoming 股票录像 First baseman catching incoming throw with sparkles and tagging runner out for sports training first baseman catching incoming 股票录像
4K People hands or dummy for first aid training rescue safety demonstration lesson education test paramedic presentation assessment 股票视频 People hands or dummy for first aid training rescue safety demonstration lesson education test paramedic presentation assessment 股票视频
4K People student or dummy for first aid training rescue safety demonstration lesson education paramedic presentation assessment 影视素材 People student or dummy for first aid training rescue safety demonstration lesson education paramedic presentation assessment 影视素材
4K People writing or dummy for first aid training rescue safety demonstration lesson education paramedic cpr class presentation 股票视频 People writing or dummy for first aid training rescue safety demonstration lesson education paramedic cpr class presentation 股票视频
4K People hands or writing for first aid training rescue safety demonstration lesson education test paramedic notebook assessment 影视素材 People hands or writing for first aid training rescue safety demonstration lesson education test paramedic notebook assessment 影视素材
4K Paramedic hands or bandage with first aid training for injury mobility or emergency service at office closeup paramedic hands or 股票录像 Paramedic hands or bandage with first aid training for injury mobility or emergency service at office closeup paramedic hands or 股票录像
4K Person paramedic and presentation with first aid kit for healthcare training or emergency service at office closeup trainer health 股票视频 Person paramedic and presentation with first aid kit for healthcare training or emergency service at office closeup trainer health 股票视频
4K Workplace first aid and training people in cpr explain procedure learn to resuscitate on dummy office floor workshop instructor 影视素材 Workplace first aid and training people in cpr explain procedure learn to resuscitate on dummy office floor workshop instructor 影视素材
4K Office first aid practice and training with people explain learning to use equipment on dummy workplace floor workshop instructor 股票录像 Office first aid practice and training with people explain learning to use equipment on dummy workplace floor workshop instructor 股票录像
4K 急救、培训以及在心肺复苏研讨会中与人一起学习、医疗保健和演示的男士。 护理人员，畅通气道以及在课堂上与人一起进行紧急情况、救援和复苏的教学 影视素材 急救、培训以及在心肺复苏研讨会中与人一起学习、医疗保健和演示的男士。 护理人员，畅通气道以及在课堂上与人一起进行紧急情况、救援和复苏的教学 影视素材
4K 急救、培训或护士使用人体模型进行心肺复苏，用于心脏骤停、紧急医疗保健、AED课程或救援。医疗 股票视频 急救、培训或护士使用人体模型进行心肺复苏，用于心脏骤停、紧急医疗保健、AED课程或救援。医疗 股票视频
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