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
And if you ever need Dad or me to help you ...
如果你们的确需要我和爸爸的帮助的话 ……
Please don't let the dog come in the house.
请别让狗进到屋子里。
is a mass of detailed behaviour more astonishing than what any one person can ever evolve in individual actions, no matter how aberrant.
是由许多细节性的习惯行为组成，它比任何个人养成的行为都更加引人注目，不管个人行为多么异常。