【建】 collar
mast; perch; pole; post; shank; staff
【化】 bar
【医】 culm; lever; rhadbo-; rod; stab; staff; stick
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