1 N-UNCOUNT 反馈;反应 If you get feedback on your work or progress, someone tells you how well or badly you are doing, and how you could improve. If you get good feedback you have worked or performed well. 反馈;反应
2 N-UNCOUNT (电器设备的)反馈噪音 Feedback is the unpleasant high-pitched sound produced by a piece of electrical equipment when part of the signal that comes out goes back into it. (电器设备的)反馈噪音
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