英文關鍵字
advertisement
audio
background
blue
bubble
cheerful
close
closeup
communication
country
course
courses
culture
dreaming
education
exchange
female
foreign
happy
international
knowledge
language
learn
learning
lesson
method
national
program
school
smile
smiling
spain
spanish
speak
speech
student
study
studying
talk
teaching
test
thinking
tourism
translate
translation
travel
up
woman
young