group of young teenagers reading book while sitting on park bench after school - 14歲到15歲 個影片檔及 b 捲影像00:10青春期
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 - 14歲到15歲 個影片檔及 b 捲影像00:06
high angle shot of various customers sitting in old-fashioned diner as someone opens the door to enter - 14歲到15歲 個影片檔及 b 捲影像00:20美國, 茶餐廳
t/l ws ts boys riding bikes and skateboarding down road to lake / cazenovia, new york, usa - 14歲到15歲 個影片檔及 b 捲影像00:11青春期, 踩單車
portrait of a teenage boy student during physical education class at school - 14歲到15歲 個影片檔及 b 捲影像00:09
young boy feeling bored and tired at home, leaning back on sofa looking up, experiencing exhaustion - 14歲到15歲 個影片檔及 b 捲影像00:10
diverse group of high school students enjoying pottery making together - 14歲到15歲 個影片檔及 b 捲影像00:14校服, 青春期
young caucasian males playing basketball outdoors at sunset with dramatic lighting - 14歲到15歲 個影片檔及 b 捲影像00:09
intense basketball game under twilight sky on outdoor court with yellow jersey player - 14歲到15歲 個影片檔及 b 捲影像00:11
lively and cheerful crowd cheering for young athletes at a thrilling skateboard competition - 14歲到15歲 個影片檔及 b 捲影像00:11歡呼
supportive and proud dad using smartphone to film his young son skateboarding on a half pipe - 14歲到15歲 個影片檔及 b 捲影像00:10
teenagers are relaxing with mobile entertainment, sitting comfortably with headphones on and playing on their phones, watching videos or playing games to relax. - 14歲到15歲 個影片檔及 b 捲影像00:13
young asian boy riding a skateboard and jumping over a ramp while taking part in a junior competition. - 14歲到15歲 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 - 14歲到15歲 個影片檔及 b 捲影像00:13
students, school and backpack in corridor, smile and ready for class, children and happiness for education, positive and friends. diversity, portrait and together for learning, knowledge and hallway - 14歲到15歲 個影片檔及 b 捲影像00:08微笑
children, back to school and together in corridor, smile and ready for class, students and happy for education, positive and friends. diversity, portrait and group for learning, knowledge and teen - 14歲到15歲 個影片檔及 b 捲影像00:07微笑
two teenage friends doing makeup together at home interior. two happy friends experimenting with makeup. - 14歲到15歲 個影片檔及 b 捲影像00:17少女, 青春期
a vertical shot of an african american girl in her mid-teens with a serious sad look on her face - 14歲到15歲 個影片檔及 b 捲影像00:08
a vertical shot of an african american girl in her mid teens reads a book on the front steps outside on a spring day - 14歲到15歲 個影片檔及 b 捲影像00:14
portrait of a teenage girl using smart phone while sitting at her study desk - 14歲到15歲 個影片檔及 b 捲影像00:11青春期
portrait of a teenage girl using smart phone while sitting at her study desk - 14歲到15歲 個影片檔及 b 捲影像00:15
high angle close up of teenage girls laying on floor making mustaches with long hair / cedar hills, utah, united states - 14歲到15歲 個影片檔及 b 捲影像00:14
