subcaudalWiktionary 原文英美构词拆解subsub-前缀caudalcaudal词干sub-Under, beneath. · Subsidiary, secondary.词源说明From sub- + caudal.释义形容词adjective1On the underside of the tail. Synonym: undertail名词noun1Any of the enlarged plates on the underside of a snake's tail.同族词派生词 1