Microphone preamplifier
[电] 微音器前置放大器
🧩 词语组成解析
n. 前置放大器\\n[计] 前置放大器
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
May I have a disembarkation card?
请给我一张离机卡好吗？
I can't get through.
我打不通。