back channel
短语[计]反向信道
发音
US
词形变化
back channels
复数
back channels
别名
backchannel
释义与例句
n.
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1.
The smaller of two channels in a river that diverge to form an island.
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2.
A secondary channel of activity, typically in parallel with primary channels and somewhat independent of them.
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3.
An unofficial communications channel used to make informal or subversive negotiations.
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4.
A real-time online discussion that occurs simultaneously with a verbal presentation.
计算机 工程 数学 -
5.
A gesture or short prompt by which a listener invites a speaker to continue.
语言学