portrait of smiling curly hair student holding pencil while sitting near desk in classroom at school - 發育前兒童 個照片及圖片檔課室, 教育, 學生
mother and daughter sitting on sofa holding hands and talking about adolescence problems - 發育前兒童 個照片及圖片檔少年男女, 父母, 討論
portrait of cheerful kids with arms around playing together against sky - 發育前兒童 個照片及圖片檔兒童, 童年, 十歲到十一歲
asian mother and multiracial daughter outdoors relaxing and communicating without technology quality time photo series - 發育前兒童 個照片及圖片檔家庭, 少年男女, 兒童
asian teenage daughter and mother using mobile phone and setting on sofa in living room - 發育前兒童 個照片及圖片檔父母, 少年男女, 亞洲和印度人
diverse group of kids laughing and hugging outdoors, friends forever in a sunny field - 發育前兒童 個照片及圖片檔兒童, 人群, 多族裔群種
a mature woman comforts her teenage daughter whilst sitting on the sofa. the late afternoon sun steams in through the window - 發育前兒童 個照片及圖片檔少年男女, 兒童, 悲哀
high angle view of boy studying with classmate on laptop while sitting in classroom at elementary school - 發育前兒童 個照片及圖片檔技術, 教育, 學校建築
close up of teenager using smartphone, spending time online, lying on bed looking at mobile phone screen. gadgets and teenagers mental health, cyberbullying - 發育前兒童 個照片及圖片檔少年男女, 兒童, 青春期
portrait of elementary school students girls reading book in classroom library together - 發育前兒童 個照片及圖片檔兒童, 童年, 教育
