【化】 base ring
base; foundation; elements; radical; root; substructure
【医】 foundation; fundament; ground
【经】 foundation; ground work
annulus; hem in; link; loop; ring; surround
【计】 ring up; toroid
【化】 ring
【医】 annuli; anulus; band; circle; circulus; cycle; cyclo-; gyro-; loop; orb
ring; verge