【化】 ethyl sulfide
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
sulfur; sulphur
【化】 sulphur
【医】 S; sulf-; sulfo-; sulfur; sulph-; sulphur; thio-