adjective🔗Share热电子的,热离子的 Concerning the emission of electrons from a heated electrode."The old radio used a thermionic valve to amplify the signal, relying on the heat to release electrons. "老式收音机使用热电子管来放大信号,依靠加热释放电子的原理。physicselectronicstechnologyChat with AIVocabulary GamePractice Reading