Feedback amplifier
[电] 回馈放大器
🧩 词语组成解析
🗣️ 情景例句
and she's crying.
她一直哭。
Modesty is not only and ornament, but also a guard to virtue.
谦逊不仅可增添光彩也可以维护美德。
Is there much of a difference in price?
价钱也有很大的分别吧？