trimaranWiktionary 原文英美构词拆解tri-前缀+catamaran词干tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.词源说明Blend of tri- + catamaran.释义名词noun1A type of boat with three parallel hulls.同族词相关词 2catamaran·tritoon