单词	ectonephridium
释义	ectonephridium noun ec·​to·​nephridium ¦ek(ˌ)tō+ : a nephridium of ectodermal origin (such as that of certain mollusks) Word History Etymology New Latin, from ect- + nephridium
随便看	fires off fires up fires-on-the-mountain firesafe firesafety fireset fireship fireships fireside firesides firestone firestones firestorm firestorms firetail firethorn firethorns firetop firetrap firetraps firetrucks firewalk firewalking firewalks firewall

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。