Feedback amplifier
[电] 回馈放大器
🧩 词语组成解析
🗣️ 情景例句
My wife is a writer. She writes on her computer. She has published ten novels already.
我的太太是个作家。她在计算机上写作。她已发表了10部长篇小说。
When the heart is full,, the tongue will speak.
胸有成竹，口若悬河。
I can't afford that.
我买不起。