单词	unfossiliferous
释义	unfossiliferous adjective un·​fos·​sil·​if·​er·​ous ˌən-ˌfä-sə-ˈli-f(ə-)rəs  : not containing fossils : not fossiliferous a block of unfossiliferous limestone Word History First Known Use 1836, in the meaning defined above
随便看	nunneries nunnery nunni nunning nunnis nunnish nunnywatch nuns nunship nuntii nuntius nuoc mam Nupe nupercaine nupes Nuphar nuphares nuphars nuprins nupson nuptial nuptial dress nuptial father nuptial flight nuptial plumage

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。