Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
No class!
真没水准！
We also make the fundamental error of announcing our resolutions to everybody so that we look even more foolish when we slip back into our bad old ways.
我们还犯有一个根本性的错误，即把我们的决心向大家宣布。