【化】 cyclobutyrol
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
【化】 butyrate; butyric acid; ethacetic acid; ethyl acetic acid
propane carboxylic acid
【医】 butanoic acid; butyric acid
good wine; mellow; pure
【化】 alcohol
【医】 alcohol; ethanol; ethyl alcohol; spirit of wine