英语词汇upon challenge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 challenge
释义	upon — 上 challenge n — 挑战 n • 难题 n • 质疑 n challenge v — 挑战 v • 质疑 v • 怀疑 v challenge — 将军
随便看	well looked after well looking well-loved well lower well lubricated well maintained equipment well maintained facilities well maintained facility well-maintained rooms we'll make sure we'll make sure we'll make sure well manageable well-managed company well-managed forests well managed water well-management well managing well manicured well-mannered well manufactured well marked well-matched well-matured well-meaning

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 —