관련 비디오
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What is a glottal stop?
Young Kim
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Why are there so many ways to "hello" and "good-bye" in Korean?
Amy Hwang
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Why are there seven vowels in Korean when English only has five?
Amy Hwang
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Is there a difference between the language of South Korean and North Korea?
Amy Hwang
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What are the easy ways to understand and speak Korean language?
Young Kim