英文關鍵字
boy
browsing
child
children
class
computer
connection
desk
display
distance
education
elearning
happy
home
homework
indoor
intelligence
internet
kid
knowledge
laptop
learning
lesson
little
notebook
online
people
person
portrait
preteen
pupil
remote
room
satisfied
school
sit
smile
student
studying
surfing
table
technology
virtual
workbook
young