Preamp
n. （无线电）前置放大器
🗣️ 情景例句
Richard and Marilyn bought it for me for my birthday.
这是Richard和Marilyn送给我的生日礼物。
In the kingdom of blind men, the oneeyed is king.
生在盲人国，独眼也称王。
What's it about?
它是讲什么的？