英文關鍵字
assignment
books
boy
caucasian
child
college
computer
concentration
cute
desk
difficult
doing
education
exam
examination
guy
handsome
high
home
homework
indoors
kid
knowledge
laptop
learn
learning
lifestyle
male
math
notebook
one
paper
problem
pupil
read
research
school
schoolboy
sitting
student
study
studying
table
teen
teenager
think
thinking
writing
young
youth