sartoriusyoudaoicibaDictYouDict[sartorius 词源字典]
"A long, narrow muscle running obliquely across the front of each thigh from the hip bone to the inside of the leg below the knee", Early 18th century: modern Latin, from Latin sartor 'tailor' (because the muscle is used when adopting a cross-legged position, earlier associated with a tailor's sewing posture).[sartorius etymology, sartorius origin, 英语词源]