backchannels
美
英 
例句
Besides Twitter, teachers have turned to other platforms for backchannels, some with more structure and privacy.
除了推特,老师们也使用其他平台来作为主频道,这些备选平台结构更分明,也更具有私人性。
But such buoyant talk is not reflected in the backchannels elsewhere in the industry.
但如此轻松自得的谈话并没有在旅游业的其他产业链上发现。