【化】 cyclopentamine
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
gush; spew; spout; spray; sprinkle; spurt
he; him
bright; clear; clear-sighted; honest; immediately following in time
understand
【医】 phanero-