英文關鍵字
adult
alphabet
book
boy
caucasian
child
childhood
close
concentration
creativity
desk
dictionary
doing
down
education
elementary
exercise
explaining
expression
face
family
happy
help
home
homework
kid
learn
library
male
mom
mother
parent
person
play
primary
read
school
smiling
son
student
studying
table
two
woman
young