tri-vidWiktionary 原文英美构词拆解tri-前缀+video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From tri- + vid(eo).释义名词noun1(science fiction) Synonym of tri-V (“a system capable of recording or displaying three-dimensional video”).