单词	Ammonoidea
释义	Ammonoidea plural noun Am·​mo·​noi·​dea ˌaməˈnȯidēə : an order of extinct chiefly Mesozoic Tetrabranchia comprising cephalopods having an external chambered shell that is either straight or variously curved or coiled see ammonite entry 1 ammonoidean ¦amə¦nȯidēən adjective or noun Word History Etymology New Latin, irregular from Ammonites + -oidea First Known Use 1884, in the meaning defined above
随便看	Medeiros Medellín meden agan medes medevac medevaced medevacing medevacked medevacking medevacs medflies medfly Medford medi- media media atropatene media blitz media event media man mediacies mediacy mediad mediae mediaer mediaest

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。