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	gram-atomic weight gram-centimeter gram-fast gram-molar gram-molecular gram-negative gram-positive gram-sec gram-variable grama gramaries gramary gramarye gramaryes gramas gramashes grame gramercies gramercy gramicidin gramicidins gramied gramies gramin- Graminaceae

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。