ditrigonalWiktionary 原文英美构词拆解didi-前缀trigonaltrigonal词干di-Two. · Double, twice the quantity.词源说明From di- + trigonal.释义形容词adjective1Being trigonal in two different ways on the same axis; e.g., of a six-sided object, having only the alternate interfacial angles equal同族词派生词 1ditrigonally