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
She is a fantastic swimmer.
她游泳游得非常好。
Do you intend to finish before you leave?
你在出去以前要把它做完吗？
Instead, he continued to make films without dialogue.
这样，他继续制作没有对白的影片。