英语短语词组词汇on the ball的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	on the ball
释义	on the ball [口语] 留心着的，注意着的机灵的，机警的效率高的胜任的；高明的；有见识的干劲很足的，埋头苦干的，勤奋的
随便看	reference accoustic pressure reference angle reference angles reference beam reference block reference book reference books reference burst reference craft referenced reference daily intake reference datum reference delusion reference dimension reference dipole reference direction reference electrode reference ellipsoid reference frame reference frames reference frequency reference group reference groups reference levels reference libraries

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