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	hydraulicon hydraulics hydraulus hydrauluses hydraz- hydrazide hydrazides hydrazidine hydrazine hydrazine hydrate hydrazines hydrazinium hydrazino- hydrazo- hydrazoate hydrazobenzene hydrazoic acid hydrazoites hydrazonium hydri hydria hydriae hydrias hydric hydriccer

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。