英文關鍵字
child
girl
laptop
homework
home
writing
education
computer
focused
serious
closeup
slow
motion
student
school
study
online
schoolgirl
class
learning
elementary
kid
lesson
childhood
internet
notebook
indoor
desk
studying
teaching
book
table
knowledge
paperwork
cyberspace
video
elearning
remote
distance
quarantine
sitting
room
pupil
little
caucasian
one
person
schoolkid
schoolchild
concentration
note
tutor