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
You are wonderful with kids.
你对小孩子有一套。
To be virtuous is to do good.
行善是美德。
until bit by bit the walls of the ego recede,
直到自我的围墙一点一点地倒塌下来，