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
Tell me all about yourself.
告诉我关于你的一切。
Old birds are not caught with new nests.
新巢捉不到老鸟。
'If the money was not paid promptly,
如果交款不及时，