名詞 feedback:

1. the process in which part of the output of a system is returned to its input in order to regulate its further output
2. response to an inquiry or experiment

1. Can you give me some feedback?
   你能給我一些建議嗎？
2. Meanwhile, you are allowed to feedback your thoughts and opinions regularly to develop our program and the club.
   及時反饋自己的意見和建議，以便不斷提高我們節(jié)目的質(zhì)量和促進俱樂部的發(fā)展。
3. Part of the energy can be transferred from one part of a mechanism to another, in a direction opposite to its main flow. That's what we call feedback.
   部分能量能以與它主要傳播方向相反的方向從一個機械部件傳到另一個機械部件，那就是我們所稱的反饋。

feed.back

n.（名詞）

The return of a portion of the output of a process or system to the input, especially when used to maintain performance or to control a system or process.
反饋：一個過程或系統(tǒng)的一部分由輸出向輸入的返回，尤指用來維持運轉(zhuǎn)或控制一個系統(tǒng)或過程
The portion of the output so returned.
如此反饋輸出的部分
The return of information about the result of a process or activity; an evaluative response:
回復，反饋：處理結果或活動信息的反饋；一種有評估性的反饋：
例句：
asked the students for feedback on the new curriculum.
征求學生對新課程設置的反饋