英文關鍵字
alphabet
background
beautiful
blackboard
book
cheerful
child
childhood
clever
close
closeup
courses
development
education
educational
elementary
enjoy
excited
girl
happy
home
homework
intelligent
isolated
joyful
kid
knowledge
learn
letter
little
nice
notebook
pretty
primary
program
pupil
school
schoolgirl
skills
smart
smile
smiling
study
studying
subject
task
uniform
up
work