Preamp
n. （无线电）前置放大器
🗣️ 情景例句
What is your cancellation policy?
我怎么退票？
I know the boy whose father is a medical doctor.
我知道那个男孩的父亲是医师。
He named the country Ao-tea-roa which means the land of the long,white cloud.
他将这个地方称之为"奥蒂罗"。意思是白云绵绵的地方"。