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