单词	kenotron
释义	kenotron noun ken·​o·​tron ˈkenə‧ˌträn plural -s : a high-vacuum diode used as a rectifier in appliances (as X-ray equipment and electrostatic precipitators) where high voltage and low current are required Word History Etymology ken- + -tron
随便看	advisement advisements adviser advisers advisership advises advising adviso advisor advisories advisorily advisors advisorship advisory advocaat advocaats advocacies advocacy advocacy journalism advocacy journalist advocacy research advocate advocated advocates advocateship

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