Intro
Long sound
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There are three types of long sounds.
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1. The long sound "ー" is used to lengthen pronunciation in Katakana.
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2. When an "e" row kana is followed by "い", the "e" sound is lengthened (pronounced as "e-" rather than "ei").
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3. When an "o" row kana is followed by "う", the "o" sound is lengthened (pronounced as "o-" rather than "ou").
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How is it?
Simple once you know the rule, right?
Word (Fixed)

ジュース
[ju-su]
[쥬-스]
Word (Fixed)

とけい
[toke-]
[토케-]
Word (Fixed)

せんせい
[sense-]
[센세-]
Word (Fixed)

えいご
[e-go]
[에-고]
Word (Fixed)

がっこう
[gakko-]
[각코-]
Word (Fixed)

おうじ
[o-ji]
[오-지]
Word (Fixed)

とうきょう
[to-kyo-]
[토-쿄-]