two unidentified young people's hands tapping and swiping on smartphone screens while sitting on city sidewalk - 青春期 個影片檔及 b 捲影像00:10
high school students pass each other in the hall walking by lockers in between class. - 青春期 個影片檔及 b 捲影像00:06
ws zi female student (16-17) walking and sitting down in school corridor / spanish fork city, utah, usa - 青春期 個影片檔及 b 捲影像00:17
group of multiracial diverse university student friends enjoy having fun weekend activity playing together - 青春期 個影片檔及 b 捲影像00:16
medium high angle shot of boy listening to music on bed / cedar hills, utah, united states - 青春期 個影片檔及 b 捲影像00:19
bullied, anxious and depressed school girl nervous around students. young child alone with no friends feeling lonely. group pressure, feeling isolated, sad and unhappy at school - 青春期 個影片檔及 b 捲影像00:07
teenage high school boy walks confidently towards brick high school building - 青春期 個影片檔及 b 捲影像00:16學生
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 - 青春期 個影片檔及 b 捲影像00:13
group of young teenagers reading book while sitting on park bench after school - 青春期 個影片檔及 b 捲影像00:10
university student friends working on laptop and books sitting on the steps in the campus - 青春期 個影片檔及 b 捲影像00:12印度人, 學生
young teenage girl smiling, singing and dancing in her room while video chatting. - 青春期 個影片檔及 b 捲影像00:23跳舞
