复元音 fùyuányīn diphthong Origin Definitions Defs Strokes Stroke Words Sentences Sents 复 複 fù adjective complex More than one; consisting of multiple layers or parts; compound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.