二的英語翻譯：

twin; two
【計】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【醫(yī)】 bi-; bis-; di-; duo-

十三碳烯二酸的英語翻譯：

【化】 hendecene dicarboxylic acid; tridecendioic acid; tridecene diacid
tridecylendioic acid; tridecylene diacid; undecene dicarboxylic acid
undecylene dicarboxylic acid