ves·tigialBrE/veˈstɪdʒiəl/NAmE/veˈstɪdʒiəl/adjective[usually before noun] (formal or specialist) remainingasthelastsmallpartofsththatusedtoexist残留的;残余的;退化的◆vestigialtracesofanearlierculture早期文化的遗迹◆Itisoftenpossibletoseethevestigialremainsofrearlimbsonsomesnakes. 在某些蛇身上常可看到退化后肢的痕迹。