英语词汇extra 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	extra challenge
释义	extra — 余 • 外加 • 零 challenge n — 挑战 n • 难题 n • 质疑 n challenge v — 挑战 v • 质疑 v • 怀疑 v extra adj — 额外的 adj challenge — 将军
随便看	wide brush wide business network wide cable wide canvas wide career wide census wide channel wide character wide chassis wide circle wide circle of friends wide circle of readers wide circulation wide class wide classification wide client base wide coalition wide-collared wide collection wide color gamut wide combination wide commitment wide common mode wide communication wide compatibility

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。

extra —