Backward channel
[计] 反向信道
🧩 词语组成解析
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
As they sow, so let them reap.
种瓜得瓜，种豆得豆。
As soon as I tap on the window, you must stop within five feet.
我一敲车窗，你必须把车停在5英尺之内。