英语词汇“be on the ball”的释义、用法及例句翻译-英汉例句词典

词汇	be on the ball
例句	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
随便看	feints feistiest feistiness feisty Feldman Felice Felicia felicitations felicities felicitous Felicity felicity feline Felix Felixstowe Fell fell fella fell among fellas fell asleep fell back fell back on fell behind fell down

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