Circuit switching
[计] 电路转接; 线路交换
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Thank you again.
再次感谢。
There must be someone behind the door.
门后必然有人在。
Old tunes are sweetest and old friends are surest.
老调最甜美，老友最可靠。