Switched communication line
[计] 交换通信线路
🧩 词语组成解析
a. 转换的
communication
[kə,mjunɪ'keʃən]
n. 通讯，通信;交流;书信;传达;
com共同+muni交流+cat=cate表动词 + ion表名词 → communicat(e)沟通 + ion表名词 → 通讯；传达；交通
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
There is nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？