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单词
be on the ball
释义
be on the ball
汉语翻译
在精力充沛地行动, 知情, 内行
英语解释：
动词 be on the ball:
be well-informed
同义词：know the score, be with it, know what's going on, know what's what
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英语词典包含435040条英汉在线翻译词条，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。
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更新时间：2025/12/4 18:47:10