diode/ˈdaɪoʊd/复数形式diodes1二极管, 具有两个端子的电子元件an electronic device with two terminals, typically allowing the flow of current in one direction only同义词： semiconductor diodejunction rectifiercrystal rectifier2二极管, 双电极管a thermionic tube having two electrodes; used as a rectifier同义词： rectifying tuberectifying valve