英文關鍵字
apartment
book
boy
caucasian
child
childhood
clever
concentration
contemplation
cute
desk
distance
doing
education
front
happy
home
homework
indoor
kid
knowledge
lazy
learn
learning
lessons
lifestyle
little
male
notebook
one
online
pen
pencil
person
portrait
read
room
school
schoolboy
schoolchild
schoolwork
sits
sitting
student
study
studying
table
task
textbook
thoughtfully
too
work
writing
young