Preamp
n. （无线电）前置放大器
🗣️ 情景例句
It all happened so quickly!
这一切发生得太快了！
He that lives well is learned enough.
生活好者，博学多才。
Many owners of private cars are going to offer 'free rides' to people on their way to work.
很多私人汽车的车主正准备为乘车上班的人们提供“免费乘车”的服务，