닥터강 - 영어, 동영상, 강의, 무료, 추천

Dr. Kang English measures a user's English level through a speaking test and a grammar test, and then based on big data.
It is an English learning application that recommends and provides English learning videos suitable for the user's English level in video recommendation.
You can improve your English by learning English tailored to each level of doctor's lecture!

Dr. Kang is always with you to improve your English skills.