【化】 guamecycline
【化】 carbamamidine; carbamidine; guanidine; imino-urea; uramine
【医】 aminomethanamidine; carbamidine; guanidine; imino-urea
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
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
element; native; plain; usually; white
【建】 chart