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
I've never seen you so wound up.
我从来没有看过你这么紧张。
Nothing is stolen without hands.
无风不起浪。
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。