Centrex
[计] 市话交换分局, 中央交换机
🗣️ 情景例句
All the employees in the office eat fast food for lunch.
办公室里的职员中午都是吃快餐的。
My brother wants to learn how to dance.
我的兄弟想要学习跳舞。
I looked out of the window.It was dark outside.
我望望窗外，外面一片昏暗。