双元音 shuāngyuányīn diphthong Definitions Defs Origin Strokes Stroke Words Sentences Sents 双 雙 shuāng numeraladjective two Two; both; dual; twin; double; twofold元音 yuányīn vowel A speech sound produced by the vocal cords vibrating while the air flows through the mouth and throat without being blocked; also called 母音 mǔyīn.
