英语词汇upon its expiration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 its expiration
释义	upon — 上 expiration n — 到期 n its pron — 其 pron • 它的 pron
随便看	approaches to results management approaches to secure approaches to security approaches to solve approaches to staffing approaches to support approaches to supporting approaches to target approaches to teaching approaches to the interpretation approaches to the issue approaches to the measurement approaches to the protection approaches towards approaches to work approaches used for approaches using approaches were approaches were considered approaches were established approaches were followed approaches which approaches with approaches with a view approaches you

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 —