英文關鍵字
app
application
background
beginner
cellphone
close
closeup
communication
conversation
degree
education
educational
emigrant
exchange
female
flag
friendship
girl
holding
international
internet
learn
learning
level
national
native
online
phone
program
screen
service
show
showing
smartphone
spain
spanish
speak
start
student
study
teach
technology
test
tourist
translation
up
web
website
woman