肌肉学 jīròuxué myology Origin Definitions Defs Strokes Stroke Words Sentences Sents 肌肉 jīròu noun muscle muscle; the fibrous tissue in humans and animals that can contract and produce movement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