Thermionic cathode
[电] 热离子阴极
🧩 词语组成解析
a. 热离子的\\n[电] 热离
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
I want to make a withdrawal.
我想取钱。
I'd like to allow anyone to ask whatever questions they may have.
我乐意接受任何人提出的任何问题。
Why don't you come swimming with us?
你干嘛不和我们一起游泳呢？