单词	ruby copper
释义	ruby copper noun variants or ruby copper ore : cuprite Word History First Known Use 1788, in the meaning defined above
随便看	Arctiidae arctiidaes arctiids Arctisca Arctium arctiums arcto- arctocebi arctocebuses arctocebusses arctocephali Arctocephalus arctocephaluses arctocephalusses Arctocyonidae arctogaeal Arctogaean arctogeal arctogean arctoid Arctoidea arctoidean Arctomys arctonyces Arctonyx

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。