雙重母音 shuāngchóngmǔyīn diphthong Origin Definitions Defs Strokes Stroke Words Sentences Sents 双重 雙重 shuāngchóng adjective double double; dual; twofold; having two aspects or layers, often used for abstract concepts母音 mǔyīn vowel A speech sound produced without obstructing the flow of air from the lungs; same as 元音 yuányīn