英文關鍵字
abc
add
background
blank
blue
bright
calculate
carton
child
childhood
color
colorful
connection
crafts
education
equal
equation
example
foam
font
fridge
game
group
hand
home
isolated
kid
kids
knowledge
lay
learn
learning
link
many
math
mathematics
objects
old
piece
preschool
put
school
set
sign
soft
sum
toy
unattached
white