词汇“be on the ball”用英语简单造句子的方法、技巧、例句及翻译-英语例句辞典

单词	be on the ball
例句	DEFINITIVE EXAMPLES 权威例句〔ball〕With so many intelligent students, the teacher must always be on the ball.班上有那么多聪明学生，老师上课时必须时刻随机应变韦氏高阶
随便看	symbolic code symbolic language symbolic logic symbolic notation symbolic representation symbolically symbolise symbolised symbolises symbolism symbolist symbolists symbolize symbolized symbolizes symbolizing symbols symes symmetric symmetrical symmetrically symmetries symmetry symonds sympathetic

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