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
or Mom is at a committee meeting.
就是妈妈参加小组会议。
A woman's work is never at an end.
妇女的活计做不完。
We're warm, we're dry and we're safe.
“我们不感到冷，身上是干的，而且我们很安全。