Telephone switching system
[计] 电话交换系统
🧩 词语组成解析
telephone
['tɛlə'fon]
n. 电话;电话机;（电话机的）话筒;受话器;
vt.& vi. 以电话传送（消息），给（某人）打电话;用电话与（某人）交谈;
tele远，传送+phone声音→远方声音传过来 → 电话
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Really?
真的？
I asked him to pay, but he wouldn't.
我请他付账，但是他不肯。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。