二重母音 èrchóngmǔyīn diphthong Definitions Defs Origin Strokes Stroke Words Sentences Sents 二重母音 èrchóngmǔyīn diphthong a complex vowel sound formed by two vowels in a single syllable; complex nucleus
二重母音 èrchóngmǔyīn diphthong a complex vowel sound formed by two vowels in a single syllable; complex nucleus
