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
I'm thinking.
我还在想。
There is a crook in the lot of everyone.
人生皆有不如意处。
Finally, as a result of the unrest among the Indian population, the leader of South Africa had to give in.
但由于印度居民中的这一场骚乱，最终，南非首脑不得不屈服。