英语词汇“Johnny-on-the-spot”是什么意思，“Johnny-on-the-spot”的读音、用法及例句翻译-烛光网

词汇	Johnny-on-the-spot
释义	John·ny-on-the-spot AHD[jŏn'ē-ŏn"Yə-spŏtʹ, -ôn'-] D.J.[ˌdʒɒniːˌɒnðəˈspɒt, -ˌɔːn-]K.K.[ˌdʒɑniˌɑnðəˈspɑt, -ˌɔn-]n.Informal（名词）【非正式用语】 A person who is available and ready to act when needed.可随时应召出力的人：在需要时可随时应召并愿意出力的人
随便看	diplopod diplopods diploses diplosis dip net dipnoan dipnoans dipodies dipody dipole dipole moment dipped dipper Dipper dippers unfruitful unfunded unfurl unfussy ungainlier ungainliest ungainly Ungava Bay ungenerous ungirt

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