找到隐藏的通道 Hidden Passage
到某地的通道 access to
将发送到选定的通道前 send previous to selected channel
以前发送到选定的通道 send previous to selected channel
他们不愿，或不能批准从该市到机场的安全通道。
They were unwilling, or unable, to guarantee safe passage from the city to the aircraft.
运输安全管理局不能继续将资源分散到未被充分利用的预检通道，而同时，大多数旅客却要排着不必要的队。
The TSA cannot continue diverting resources into underused PreCheck lanes while most of the traveling public suffers in unnecessary lines.
信号传送只是从卫星到设备的单通道传输。
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