英文關鍵字
book
boy
casual
caucasian
child
childhood
computer
curriculum
desk
distance
education
face
headache
home
homework
independent
internet
kid
knowledge
learn
learning
learns
lesson
lessons
lifestyle
male
modern
notebook
one
portrait
preteen
punctual
read
school
schoolboy
schooling
single
sitting
smart
stress
student
study
studying
technology
teen
tired
voltage
white
young
youth