英语词汇upon demonstration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	upon demonstration
释义	upon — 上 a demonstration n— 示威 n • 实例 n demonstration — 演示 • 游行 • 操演 demonstration n — 示威 n
随便看	contract arrangement contract article contract as a principal contract as follows contract Assembly contract asset contract assignment contract assistance contract at hand contractation contract attached contract a vendor contract avoided contract award contract award criteria contract awarding procedures contract awarding process contract award notice contract award process contract a worker contract balance contract balancing contract became effective contract becomes effective contract begin

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。

upon —