英语词汇annual 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	annual challenge
释义	annual adj — 每年 adv • 全年 adj • 年度 adv challenge n — 挑战 n • 难题 n • 质疑 n challenge v — 挑战 v • 质疑 v • 怀疑 v annual — 年度 annual n — 周年 n challenge — 将军
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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。

annual adj —