单词	echinology
释义	echinology noun ech·​i·​nol·​o·​gy ˌekəˈnäləjē plural -es : a branch of zoology that deals with echinoderms Word History Etymology echin- + -logy
随便看	Runyon runyonesque runzas rup rupee rupees Rupert Rupert's drop ruperts rupestral rupestrian rupestrine rupiah rupiahs rupias Rupicapra rupicaprae rupicapras rupicaprine Rupicola rupicolae rupicolas rupicoline rupicolous rupie

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。