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
It's a great college.
那是一所好大学。
How many workshops are there in your factory?
你们厂有多少车间？
These things happen all the time.
这是常有的事。