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 have no problem with that.
对这一点我没有异议。
I was born and raised in Beijing, and I am 25 years old.
我出生在北京，在那里长大，我今年25岁了。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？