science, school and teacher with students in classroom for learning, biology lesson and knowledge. education, teaching and educator with textbook for course, studying and academic material at campus - 減法 個影片檔及 b 捲影像00:14
businessman presenting with flipchart to diverse audience at conference hall - 減法 個影片檔及 b 捲影像00:05辦公室
young girl, thinking and writing in classroom for exam, test or learning assessment at school. confused female person, teenager or child in wonder or thought at institute for intermediate education - 減法 個影片檔及 b 捲影像00:16學生
handheld close up of a woman in a meeting accepting congratulations and clapping - 減法 個影片檔及 b 捲影像00:14學生
group of latin american people training at the gym in a exercising class following their instructor - 減法 個影片檔及 b 捲影像00:06
close-up of mature student working on his notebook during class at the university - 減法 個影片檔及 b 捲影像00:07
legs, running and school children in a hallway after class for break or recess during scholarship or education. kids feet, rush and in a hurry to learn or study while leaving a classroom closeup - 減法 個影片檔及 b 捲影像00:13
close-up 4k video of young woman asia people developer working on innovative e-commerce app using ai and big data - 減法 個影片檔及 b 捲影像00:20辦公室
female teacher explaining the actress role while showing her student something on script and all of the other students pay close attention - 減法 個影片檔及 b 捲影像00:14戲劇表演
4k video footage of a handsome mature man teaching his son how to ride a bicycle outside - 減法 個影片檔及 b 捲影像00:13
lateral tracking shot an empty school classroom filled with vacant school desks. - 減法 個影片檔及 b 捲影像00:09
ms female scientist explaining data on whiteboard to colleagues in conference room in research lab - 減法 個影片檔及 b 捲影像00:12
smiling nurse taking notes in notebook while using laptop and getting ready for shift - 減法 個影片檔及 b 捲影像00:19
walking, start and meeting with business people in office for conference room, stakeholder and project. collaboration, investment banker and teamwork with employees in boardroom for partnership - 減法 個影片檔及 b 捲影像00:26辦公室
healthcare, nurse and laptop in hospital for research, medical study or thinking at night. man, doctor or tech in dark clinic for planning procedure, telehealth consultation or reading patient report - 減法 個影片檔及 b 捲影像00:05
businesswoman, discussion and laughing in meeting, boardroom and leadership in feedback or review. female person, manager and mentoring or coaching in conference room, humor and explaining plan - 減法 個影片檔及 b 捲影像00:11辦公室
science, microscope and study with of a woman in a laboratory for research and innovation. medical, pharmaceutical sample and a young scientist in a lab for development, discovery or breakthrough - 減法 個影片檔及 b 捲影像00:08體檢
boy, classroom and writing with student, face and learning with examination, test and knowledge. african person, academic and children with exams, education or school with paper, future and questions - 減法 個影片檔及 b 捲影像00:06
active senior woman with aqua dumbbells exercising at water aerobic session in pool - 減法 個影片檔及 b 捲影像00:08中老年人
ํasian young adult woman teacher teaching acrylic painting to multiracial elementary students in art class, walking to support an asian-african young girl, individually - 減法 個影片檔及 b 捲影像00:12
family, bike and child with his father playing and kid learning how to ride a bicycle while proud dad cheers for his boy. happy and smiling parent and son bonding and making fun childhood memories - 減法 個影片檔及 b 捲影像00:13踩單車
group of diverse students following their teachers tempo during a jamming session - 減法 個影片檔及 b 捲影像00:15學生
university male and female students, studying and discussing sitting on the steps of the university campus - 減法 個影片檔及 b 捲影像00:18印度人
woman teaching adult student shaping clay on wheel in ceramic studio. in ceramic workshop studio - 減法 個影片檔及 b 捲影像00:19女人
