英文關鍵字
american
arithmetic
background
beautiful
black
blackboard
calculate
caucasian
chalk
chalkboard
cheerful
child
childhood
class
classroom
clever
cute
discussion
drawing
education
elementary
female
girl
hair
happiness
happy
indoors
interacting
junior
kid
knowledge
learn
learning
lesson
looking
math
mathematics
number
one
person
portrait
primary
pupil
school
speaking
standing
student
young
youth