英文關鍵字
background
calculate
casual
caucasian
cheerful
child
childhood
children
class
clever
count
counting
cute
daughter
education
elementary
face
finger
fingers
fun
gesture
girl
hand
happiness
happy
homework
isolated
kid
knowledge
learn
learning
lesson
little
math
mathematics
person
portrait
school
small
smart
smile
smiling
student
study
studying
teach
teaching
toddler
white
young