英文關鍵字
american
articulation
britain
education
english
instructor
learning
lips
macro
phonetics
pronunciation
sound
speek
speeking
study
teacher
teeth
tutor
woman
英文關鍵字
american
articulation
britain
education
english
instructor
learning
lips
macro
phonetics
pronunciation
sound
speek
speeking
study
teacher
teeth
tutor
woman