【机】 lessing rings
rein in; tie sth. tight
【医】 lux; meter candle
laborious; pungent; suffering
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