【医】 Willis' circle
benefit; favourable; profit; sharp
this
【化】 geepound
family name; surname
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