英文關鍵字
book
boy
child
children
communicating
computer
connection
consultation
distance
education
elearning
excercise
face
home
homework
interior
internet
laptop
learning
lesson
mobile
notebook
online
paper
person
portrait
preteen
quarantine
remote
room
school
screen
searching
student
study
table
tablet
task
technology
typing
virtual
watching
wireless
working
writing