琥珀酸和丁二酸是属于这类酸.These include succinic acid and glutaric acids.在反应过程中,乙二酸总是会生成的.Oxalic acid is always formed during the reaction.雷汞中可能含有微量的乙二酸汞.Mercury fulminate may contain trace of mercuric oxalate....

“二酸”的英语可以翻译为：diacid ...

“二酸”的拼音为：èr suān...