Reverse channel
[計] 反向信道, 反向通道
?? 詞語組成解析
reverse
[r?'v?s]
vt.& vi. （使）反轉;（使）顛倒;掉換，交換;[法]撤消，推翻;
vi. 倒退;[橋牌]逆叫;
adj. 反面的;顛倒的;倒開的;[生]倒卷的;
n. 倒轉，反向;[機]回動;倒退;失敗;
re向后，相反+verse轉→反轉，顛倒
??? 情景例句
in the children's ward.
在小兒科病房那邊。
You really don't have anything to apologize for.
你真的沒什么可道歉的。
The officer unscrewed the cap and put the bottle to his nostrils.
海關官員擰開瓶蓋，把瓶子放到鼻子底下。