1920, in the electronics sense, "the return of a fraction of an output signal to the input of an earlier stage," from verbal phrase, from feed (v.) + back (adv.). Transferred use, "information about the results of a process" is attested by 1955.
双语例句
1. It would monitor traffic flows and provide feedback to motorists.
它能监控交通状况，然后给司机提供反馈信息。
来自柯林斯例句
2. I'd appreciate some feedback on my work.
如果有人对我的工作提出意见我将感激不尽。
来自《权威词典》
3. The process is essentially dynamic with ideas and feedback flowing both ways.
这个过程本质上是动态的,有各种建议与反馈的双向交流.
来自《简明英汉词典》
4. The more feedback we get from viewers, the better.
