tricaudalWiktionary 原文英美构词拆解tritri-前缀caudalcaudal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.词源链拉丁语Latin约前 75–公元 3 世纪cauda‘tail’↓ 派生英语Englishtricaudal词源说明From tri- + caudal, from Latin cauda (“tail”).释义形容词adjective1Having three tails.