Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
... and if you ask what I care about, I'll tell you.
……假如你们问我关心什么， 我可以告诉你们。
Think much, speak little, and write less.
勤思考，寡发言，少落笔。
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？