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
In my personal opinion, I am against the plan.
依我个人的意见，我反对那个计划。
In his defense, he still tried to justify himself.
为了保护自己，他一直试图证明自己的行为是正当的。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。