Last Updated：2025/11/23
The monophthongization observed in the coastal dialect has simplified several historical diphthongs into single vowel sounds.
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The monophthongization observed in the coastal dialect has simplified several historical diphthongs into single vowel sounds.
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Source Sentence
沿岸方言で観察される単母音化は、いくつかの歴史的な二重母音を単一の母音へと簡略化した。
