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
Now what?
又怎么了？
Bye.
我走了。
There is hope so long as he is with us.
只要他在就有希望。