open-mid central rounded vowel是什么意思，open-mid central rounded vowel的翻译，open-mid central rounded vowel音标、读音、用法和例句

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open-mid central rounded vowel是什么意思，open-mid central rounded vowel的翻译，open-mid central rounded vowel音标、读音、用法和例句_果味酸柯林斯词典