【化】 diacetyl acetic acid
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
【化】 acetacetic acid; acetoacetic acid; acetylacetic acid; diacetic acid
etheric acid
【医】 aceto-acetic acid; beta-ketobutyric acid; diacetic acid