【化】 dicyclohexyl-18-crown-6(DC18C6)
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
【医】 hexamethylene
combine; equally
coronal; coronet; crest; hat; precede; put on a hat; the best
【计】 corona
【医】 corona; coronae; crown; pileus; pilleus