【化】 ethylidene-diurethane; ethylidene-urethane
【化】 ethidene; ethylidene
【医】 ethidene; ethydene; ethylidene
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】 ethyl carbamate; ethyl urethan; ethyl urethane; urane; urethan
urethane