a painting, especially an altarpiece, on two hinged wooden panels which may be closed like a book (尤指用来装饰祭坛的)可折闭的双连画
an ancient writing tablet consisting of two hinged leaves with waxed inner sides (古代的)双连书写板(内侧上蜡)
语源
early 17th cent.: via late Latin from late Greek diptukha 'pair of writing tablets', neuter plural of Greek diptukhos 'folded in two', from di- 'twice' + ptukhē 'a fold'