英文關鍵字
adolescent
book
boy
chart
class
classroom
college
copybook
curve
cute
desk
educate
education
fingers
grade
graph
group
guy
hands
holding
indoors
knowledge
learn
lesson
lifestyle
male
math
notebook
pen
person
primary
process
pupil
room
school
schoolboy
schoolchild
secondary
serious
sitting
student
study
table
teenager
thinking
view
writing
youth