英语词汇“be up in”的翻译、意思、用法、释义-英汉汉英词典

单词	be up in
释义	be up in 熟悉，精通：You ought to be well up in children's diseases as you have studied them for eight years.你对儿科疾病研究已有8年，按理应该很精通了。 [口语]熟悉；精通，擅长以上来源于：《21世纪大英汉词典》
随便看	rectifier-type voltmeter rectifier unit rectifier valve tube rectifier welding set rectifier with constant current output rectifier with constant voltage output rectifier， electron rectifier， phase-sensitive rectifies rectiformer rectify rectify economic order rectifyed rectifying rectifying action rectifying circuit rectifying column rectifying column， rectification column rectifying compass rectifying detector rectifying developable surface rectifying device rectifying effect rectifying efficiency rectifying film