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
What would you like for dessert?
甜点吃什么？
He realized that he was heading in the wrong direction.
他意识到走错了方向。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。