Feedback circuit
[计] 反馈电路
🧩 词语组成解析
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
John works very hard. He goes to work early.
约翰工作很努力。他早早上班。