Answerback unit
[电] 应答器
🧩 词语组成解析
[电] 回答
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Mitchell, so nice of you to come.
Mitchell，欢迎光临。
It won't happen again.
下不为例。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。