名詞 feed-back:

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

動詞 feed-back:

1. submit (information) again to a program or automatic system
   同義詞：feed back, resubmit
2. respond to a query or outcome
   同義詞：feed back