单词	aperture card
释义	aperture card noun : a punched card for data processing in which one or more frames of a microfilmed document are mounted Word History First Known Use 1959, in the meaning defined above
随便看	swan mussel swan orchid swan pan swan potato Swan River daisy Swan River everlasting swan shot swan song Swan spectrum swan's neck swan-hopper swan-hopping swan-neck swan-necked swan-upper swan-upping swanflower swanfloweres swanflowers swang swanherd swanherds swanimote swank swanked

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。