Feedback amplifier
[电] 回馈放大器
🧩 词语组成解析
🗣️ 情景例句
I must meet the deadline.
我必须赶上最后期限。
Yes, and I hope we can have some snow this winter.
是的，我希望今年冬天会下雪。
An Indian came into the waiting room, and walked quickly to the doctor's door.
一个印度人走进候诊室，快步朝医生的门口走去。