英文關鍵字
child
girl
homework
problem
home
exhausted
tired
stress
reading
side
view
education
difficult
book
one
person
elementary
studying
childhood
student
school
table
sleepy
learning
young
sad
pupil
desk
indoor
lesson
notebook
textbook
caucasian
sitting
slow
motion
schoolgirl
kid
unhappy
closeup
blurred
background
selective
focus
thinking
frustrated
lying
knee
head
thoughtful
bored
tears
worried
alone