英语词汇be on the ball是什么意思，be on the ball的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	be on the ball
释义	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	additional commodity additional conditions additional consideration additional consideration additional constant additional corrector pinion additional cost additional cost additional costs additional costs additional costs assigned to byproduct additional coupling additional course additional cover additional cover additional crown wheel additional damage additional debt restriction additional demagnetization additional demand additional discount additional driving wheel additional duty additional duty allowance additional dynamic load

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。