【化】 ethyl disulfide
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
burn up; change; convert; melt; spend; turn
【医】 dithio