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
My family can survive on the produce from our hobby farm.
业余时间我们一家人在小农场的劳动成果足够一家人维持生计了。
Will Martha's consent to her marriage?
玛莎的双亲会赞成她的婚事吗？
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。