英语词汇“backchannel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	backchannel
释义	backchannel noun /ˈbæktʃænl/ /ˈbæktʃænl/ jump to other results a secret or unusual way of passing information to other people (linguistics) a sound or sign that somebody makes to show that they are listening to the person who is talking to them
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