“双元音”的英语可以翻译为：[语] diphthong ...

有时你又把单词开头的辅音和双元音含糊掉.And then you slur by dropping initial letters and diphthongs.'双元音是元音的组合.Diphthongs are complex ions of vowels....

“双元音”的拼音为：shuāng yuán yīn...