Switching system
[电] 交换系统
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
He's poor.
他很穷。
Ill-gotten goods never prosper.
发横财，家不发
He say he's just arrived in Scotland. He says he's staying at a Youth Hostel.You know he's a member of the Y.H.A.
他说他刚到苏格兰。他说他住在一家青年招待所。你知道，他是“青招协”的一个成员。