英文關鍵字
abacus
addition
adorable
baby
boy
calculation
care
center
child
childhood
clever
colorful
counter
counting
cute
day
early
education
finance
fun
game
genius
happy
home
indoor
infant
joyful
kid
kindergarten
learn
little
math
mathematics
nursery
person
playground
playing
preschool
pretty
prodigy
room
rows
sitting
smart
smiling
studying
sum
toddler
toy
wooden