单词	naphthacene
释义	naphthacene noun naph·​tha·​cene ˈnafthəˌsēn, ÷ ˈnapth- plural -s : an orange crystalline tetracyclic hydrocarbon C18H12 isomeric with chrysene and benzanthracene and present in small amounts in coal tar Word History Etymology International Scientific Vocabulary naphth- + -acene
随便看	hannibalian Hannibalic hannibals Hanno Hannover hannoveres hannovers Hano Hanoi hanoies hanois hanos Hanotaux hanover Hanover Park hanoveres Hanoverian hanoverians hanovers hans Hans Hansa Hansard hansardise hansardised

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。