英文關鍵字
auditory
background
board
book
boy
caucasian
chalk
child
class
classroom
clever
college
concept
cute
desk
drawing
educate
education
executive
four
hall
handsome
happy
homework
intellectual
knowledge
learn
lecture
male
man
object
occupation
portrait
professional
question
responsibility
responsible
school
schoolroom
sitting
smart
student
study
table
teacher
work
write
young