信: letter; mail中: hit; fit exactly附: attach; add; enclose一: one文件: document; file; papers; inst ...信中附件: encloure信中附上: stamped addressed postcard信中附上几笔: add a few words in a letter此一文件: this file前一文件夹: previous folder单一文件界面: single document interface统一文件传送: unified file transfer统一文件格式: unified file format择一文件属性: alternative file attributes取其一文件属性: alternative file attribute统一文件存取系统: unified file access system择一文件属性, 取其一文件属性: alternative file attribute将文件附在信中: attach a document to a letter; the hospital is attached to that university附加的方式定入一文件: write only统一文件存取系统环境: unified file access system environment下载此目录下的唯一文件: download the only one file in this directory国际文件和通信中心: ation and communication centre关脉,中附上: guan pulse间中附器: intermediate appendage; intermediateappendage; interstitial appendage正中附肢: median appendage