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
See you later.
再见。
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。