十二指肠

十二指肠	shí èr zhǐ cháng	duodenum
十	shí	ten / 10
十二	shí èr	twelve / 12
二	èr	two / 2 / (Beijing dialect) stupid
二指	èr zhǐ	index finger
指	zhǐ	finger / to point at or to / to indicate or refer to / to depend on / to count on / (of hair) to stand on end
肠	cháng	intestines
肠	cháng	old variant of 肠