英语词汇portable document format file怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	portable document format file
释义	portable document format file 简明释义可携文件格式档网络释义 1 ?可携文件格式档 ... 可携式文件档 portable document file 可携文件格式档 portable document format file 可携文件格式 portable document format，PDF ... 短语 1 ADOBE PORTABLE DOCUMENT FORMAT FILE 便携文件格式文件双语例句 1 Portable Document format (PDF) files have increasingly been used as a means to deliver spammers' advertisements, but only rarely has the file format been used as an attack vector. PD F文件已被越来越多地用来作为一种手段来运送垃圾邮件广告，但只有少数的文件格式被用来作为一个攻击向量。
随便看	negative scanning negative scanning shift negative scotoma negative screening negative scribing negative segregation negative selection negative self image negative self-image negative self-regulation negative self regulation negative self-selection negative semidefinite negative semidefinite eigenvalue problem negative semidefinite form negative semidefinite matrix negative semidefinite matrix negative semidefinite quadratic form negative semidefinite quadratic form negative sensation negative sense negative sense-class negative sentence negative sentences negative sentiment

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。