英语词汇“closed book”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	closed book
释义	closed book [kləʊzd buk] freq. 2 dict. 1 na.未知之事 [网络]期末考；不可理解的事情；完全不懂的学科
随便看	emitter modulator emitter node point emitter node voltage emitter open integrated diode emitter-open switching circuit emitter-open turn-off emitter pattern emitter pin emitter point emitter power emitter pull down resistor emitter pulse emitter push emitter region emitter resistance emitters emitter section emitter selective digit emitter semiconductro emitter series resistance emitter series resistor emitter shunt conductance emitter switching emitter terminal emitter time constant

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