Thermionic valve
热离子管，热阴极电子管
📖 牛津释义
thermionic valve
(US ,thermionic `tube), vacuumtube in which a flow of electrons is emitted by heated electrodes, used in the receiving of radio signals, etc 热离子管.
🧩 词语组成解析
a. 热离子的\\n[电] 热离
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Well, you can write to her.
嗯，你可以写信给她。
Remember thou are but a man.
记住你自己只不过是一个人。
Above all, he refused to make any personal gain from his political work.
尤其是，他拒绝从所从事的政治事业中谋取个人利益。