Interexchange channel
[计] 内部交换信道
🧩 词语组成解析
[计] 局际电话业务
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
A cock is bold on his dunghill.
站在粪堆上，公鸡也称王。
I'll have to check with our engineers.
我得请教工程师才行。