最終更新日：2024/08/02
Monophthongisation is the process of reducing a diphthong to a monophthong.
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Monophthongisation is the process of reducing a diphthong to a monophthong.
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Monophthongisation is the process of reducing a diphthong to a monophthong.
Monophthongisation is the process of reducing a diphthong to a monophthong.
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