英语词汇certificates upon request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	certificates upon request
释义	certificates pl — 证书 n • 证明书 pl upon request n— 应要 n upon request— 应...之请 upon — 上 request v — 要求 v • 请 v • 申请 v • 索要 v • 搬请 v request n — 要求 n • 请求 n
随便看	three-armed three aspects three authorities three-axial three axis three-axis accelerometer three-axis cnc-machine three-axis compass three-axis magnetic sensor three-axis motion three axis movement three axis sensor three-axis system three babies three Baltic states three-band fluorescent lamp three based three basic principles three beauties three bedroom three bedroom house three bedroom property three beeps three benchmarks three benefits

英汉双解词典包含2273206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。

certificates pl —