【医】 circum-
about; all around; around; round; round about
【医】 amphi-; peri-; periphery
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