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
随便看	for approval'. for approval in order for approving for approximately for approximately a week for a practical for a precise dosing for a predefined period for a preliminary review for a preliminary ruling for a presentation for a presentation it is for a preset time for a price for a prime quality for a private visit for a probationary period for a product development, for a product development, for a product development, for a product development, for a productive use for a professional dialogue for a profit for a prolongation of

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annual adj —