bowel
/ˈbaʊəl/noun
(常作bowels)
1- the part of the alimentary canal below the stomach; the intestine肠。
1.1
the bowels of -
the deepest inner parts or areas of something内部, 深处：the mineshaft descended deep into the bowels of the earth.
矿井向下延伸到地下很深的地方。
词源
Middle English: from Old French bouel, from Latin botellus, diminutive of botulus 'sausage'.