Feedback amplifier
[电] 回馈放大器
🧩 词语组成解析
🗣️ 情景例句
In what aisle can I find the ...?
我在哪排能找到……？
It is as well to know which way the wind blows.
识时务者为俊杰。
But the market prices are changing frequently.
但是市场价格随时都在变化。