1A secondary or covert route for the passage of information.
（信息传递的）秘密渠道
we used him as a diplomatic backchannel
曾利用他作为秘密外交渠道。
Example sentencesExamples
Secret White House backchannels (discovered from recently released White House tapes) are used to support the book's contention.
A friend calls my weblog ‘the backchannel to my brain’, and in a way, it is.
In a sense, he is right that backchannels always exist and always will.
2Psychology A sound or gesture made to give continuity to a conversation by a person who is listening to another.
〔心理〕反馈
as modifiersupportive backchannel cues
Example sentencesExamples
Amongst these are what have been characterised in the literature as backchannels, minimal response or receipt tokens, and include items such as Yeah, Oh, Right, and Great.
Definition of backchannel in US English:
backchannel
(also back channel)
nounˈbakˌCHanl
1A secondary or covert route for the passage of information.
（信息传递的）秘密渠道
the agency offered a reliable backchannel to Washington
as modifierbackchannel briefings
Example sentencesExamples
In a sense, he is right that backchannels always exist and always will.
A friend calls my weblog ‘the backchannel to my brain’, and in a way, it is.
Secret White House backchannels (discovered from recently released White House tapes) are used to support the book's contention.
2Psychology A sound or gesture made to give continuity to a conversation by a person who is listening to another.
〔心理〕反馈
Example sentencesExamples
Amongst these are what have been characterised in the literature as backchannels, minimal response or receipt tokens, and include items such as Yeah, Oh, Right, and Great.