英文關鍵字
child
girl
laptop
homework
talking
smiling
happy
cheerful
video
call
home
education
computer
elementary
closeup
pupil
reading
slow
motion
student
school
study
online
schoolgirl
class
learning
kid
lesson
childhood
internet
indoor
desk
teaching
table
elearning
remote
distance
sitting
little
caucasian
one
person
tutor
blurred
background
selective
focus
using
looking
quarantine
primary
distant
cyberspace
chat