관련 비디오
Why does Korean have two sets of numbers? Native and Chinese?
Amy Hwang
Why are there so many ways to "hello" and "good-bye" in Korean?
Amy Hwang
In Korea why do you have so many informal and formal ways of saying things?
Young Kim
Why are there seven vowels in Korean when English only has five?
Amy Hwang
Introduction: Amy Hwang
Amy Hwang
英語
日本語