【化】 lead ethide; lead ethyl
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
lead
【医】 molybd-; molybdo-; Pb; plumbi; plumbum