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
These documents will give you some idea of our background.
这些资料会给您提供一些参考。
Absolutely right.
绝对正确。
He has an old head on young shoulders.
他年轻又有见识。