英语词汇system was challenged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	system was challenged
释义	challenge n — 挑战 n • 难题 n • 质疑 n challenge v — 挑战 v • 质疑 v • 怀疑 v system n — 制 n • 体 n • 制度 n • 体制 n • 制式 n • 装置 n • 条贯 n be v — 有 v • 是 v • 当 v • 做 v • 存在 v • 属 v • 成为 v • 乃 v • 乃是 v challenge — 将军
随便看	had been presented had been presented before had been present with had been prestigious had been prevented had been printed out had been problems had been proceeded had been proceeding had been processed had been produced had been producing had been promoted by had been proud had been proven had been proven wrong had been provided had been provided via had been provided with had been published had been pulled had been purchased had been purchasing had been put had been put off

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。

challenge n —