英文關鍵字
academic
asleep
bored
boy
caucasian
child
childhood
class
classroom
clever
closeup
cute
desk
education
elementary
exam
exercises
exhausted
exhaustion
face
home
hometask
homework
jacket
kid
knowledge
laziness
lazy
learn
learning
lesson
lying
male
man
notebook
person
portrait
school
schoolboy
sleep
sleeping
sleepy
stress
striped
student
study
studying
table
tired
young