基本解釋n.十二開；十二開的書adj.十二開的同根派生 duodecimo相關(guān)詞英漢例句Twelve-mo (Duodecimo)(12mo): A size of paper obtained by sub-dividing a broad sheet into twelve parts. Used to describe book size 十二開:把原張紙分十二份所得的尺寸.;用來表示書本大小。duodecimo更多例句