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
She grabbed the chance to travel abroad.
她抓住机会到国外旅行。
Are you kidding?
你是开玩笑吧？
Li Lei went into the school and found Miss Zhao in the school library.
李垒走进学校，在学校图书馆里找到赵小姐。