【化】 safety ring
assurance; insurance; insure; safety
【计】 guarding
【医】 insurance
【经】 assurance; insurance; insure; safety
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