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
Yes. That would be much better.
行，那样也好。
You'll be sick, if you aren't careful.
你不小心的话，就会生病。
Yes, I can.
是的。