英文關鍵字
education
pronunciation
audio
learning
headphones
translation
woman
speak
language
listening
online
recess
app
multilingual
course
headset
school
internet
park
smartphone
student
female
teenager
cellphone
study
pretty
teacher
earphones
mobile
authentic
one
outdoor
holding
sitting
freedom
person
young
hand
caucasian
concept
day
business
lesson
girl
lifestyle
technology
electronic
summer
digital
adult