反向通道；反向信道；背后通道

backchannel───n.（传递消息的）秘密渠道，特殊途径；反馈语，附应

backchannels───反向通道

main channel───主通道

swash channel───滩间水道；冲流水道

back crawl───仰泳

back-handed───adj.间接的；反手拍击的；v.用手背打击；反手击球（backhand的过去分词）

back-hander───n.逆打；反手一击；追加的一杯酒；（英）回扣

backhanded───adj.间接的；反手拍击的；v.用手背打击；反手击球（backhand的过去分词）

backhander───n.逆打；反手一击；追加的一杯酒；（英）回扣

Arab leaders, just like those of any other country, remain desperate for a secure back channel to Washington.───与其它任何一个国家的领导人一样，阿拉伯领导人仍迫切希望找到一条通往华盛顿的安全暗道。

Robert Kennedy, JFK's attorney general, was an important part of the back-channel negotiations that got us off the hook.───约翰·肯尼迪的总律师罗伯特·肯尼迪在其后台渠道的协调中起到了至关重要的作用，使我们摆脱了险境。

It seems to me that we ought to find ways to develop back channel or front channel discussions with this individual.───在我看来，我们应当通过各种渠道，来跟这位最高领导人沟通。

Suppose there was no such thing as a "private" diplomatic meeting or a back channel discussion.───假设世上就没有隐秘外交会议或者秘密外叫讨论之类的东西。

Both provide a means to tell a sending endpoint that it should "buffer" messages when the transport back channel is not available.───都提供了相应的方法来告知发送端点应该在传输回发通道不可用的情况下“缓存”消息。

But back channel negotiations, revealed by the Guardian last month, showed the two nations are searching for a deal.───而据《卫报》上月披露，中美两国在秘密谈判中也在寻求达成协议。