英文關鍵字
1012
adult
articulation
at
boy
caucasian
child
coach
education
english
explaining
grammar
home
instructor
junior
learner
lesson
middleaged
phonetics
pronunciation
pupil
school
schoolboy
schoolchild
teacher
ten
tutor
woman
years
英文關鍵字
1012
adult
articulation
at
boy
caucasian
child
coach
education
english
explaining
grammar
home
instructor
junior
learner
lesson
middleaged
phonetics
pronunciation
pupil
school
schoolboy
schoolchild
teacher
ten
tutor
woman
years