加addition
附加addition
帐外设帐keep additional accounts in addition to the authorized ones
标准补充件addition to standard
【生活】添加制氧无机化合物到面粉、面团中addition of oxygen-generating inorganic compounds to flour, dough
劳动力净增net addition to labour force【劳经】
【法】 追加诉讼addition of actions
【化】 迈克尔加成Michael addition