英文關鍵字
activity
african
american
boy
caucasian
class
classroom
desk
dining
education
elderly
elementary
fun
help
holding
home
intelligence
intelligent
interior
knowledge
learning
lesson
male
motion
paper
person
portrait
primary
proud
pupil
reading
relationship
room
school
serious
sitting
slow
slowmotion
smart
table
thinking
thoughtful
writing
young