单词 echinal 释义 echinal, a.|kanl, knal|[f. echin-us + -al1.]Of or belonging to a sea-urchin.1830Lyell Princ. Geol. I. 129 A saurian vertebra together with patell and echinal spines.{var l=document.getElementsByTagName("link");var r=/OED4.css$/;for(var...