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	environment interaction environment in the field Environment Investigation Agency environment in which environment iron environment is closed environment is damaged environment is provided environment issues environment I would like environment i would like environment jobs environment knowledge environment layout environment liability environmently friendly environment maintenance Environment Management Environment Management environment management representative environment management solutions environment management standard environment management system environment manager environment manual

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 —