Feedback circuit
[计] 反馈电路
🧩 词语组成解析
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
Everybody says I must be mad and they are probably right.
大家都说我肯定是疯了，也许他们说的是对的。