【化】 ciclonicate
【化】 niacin; nicotinic acid; vitamin PP
【医】 anti-black tongue factor; antipellagra factor; niacin; nicotinic acid
P.-P. factors; pellagramin
three; several; many
【计】 tri
【化】 trimethano-; trimethoxy
【医】 tri-
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
oneself; personal
ester
【化】 ester
【医】 compound ether; ester; lactam; lactan