【医】 diethylene
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
second
【建】 acetonitrile; ethane nitrile
order; second; second-rate
【医】 deutero-; deuto-; hyp-; hypo-; meta-; sub-
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical