語音學 yǔyīnxué phonetics Origin Definitions Defs Strokes Stroke Words Sentences Sents 语音 語音 yǔyīn noun speech sounds The sounds produced by human vocal organs to express meaning; phonetics学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science