관련 비디오
Why are there seven vowels in Korean when English only has five?
Amy Hwang
Cual es la diferencia entre la vocal 어 (eo) y la vocal 오 (o)?
Young Kim
Why does Korean have two sets of numbers? Native and Chinese?
Young Kim
Introduction: Young Kim
Young Kim
In Korea why do you have so many informal and formal ways of saying things?
Young Kim
英語
日本語