Thermionic amplifier
[电] 热离子放大器
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
Easy does it, tom. don't get all worked up.
冷静点，汤姆，不要太激动。
Do you have some post cards?
你有明信片吗？
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时