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, tell us something about your trip.
好，跟我们说说你的旅行。
I don't know what to do with you.
真拿你没办法。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。