英文關鍵字
beautiful
book
boy
browsing
caucasian
child
childhood
computer
concentration
dangers
desk
education
fun
happy
homework
internet
kid
knowledge
laptop
learning
lifestyle
looking
male
man
media
monitor
net
notebook
people
person
portrait
room
school
sitting
smile
social
student
study
studying
surfing
table
technology
the
typing
wireless
worker
working
young