Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
it's a graduation party for me.
这是为我毕业所办的派对。
A lamb is as dear to a poor man as an ox to the rich.
穷人的一只羔羊比富人的一头牛还要珍贵。
Excuse me!
打扰一下。