Back channel
[计]反向信道
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
All packed and ready.
都打包好了。
Benefits please like flowers, while they are fresh.
恩泽让人欣喜，犹如鲜花使人心醉。
The farm was owned by two brothers, Joe and Bob Cox.
恩得利农场属于乔。考科斯和鲍勃。考科斯兄弟俩所有。