Public switched telephone network
[计] 公用交换电话网
🧩 词语组成解析
a. 转换的
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
network
['nɛtwɝk]
n. 网;（电视与计算机）网络;网状物;广播网;
vt.& vi. 将…连接成网络;建立工作关系;
vt. 把（地方节目）编排到广播网（或电视网）联播;使（全国）联播;（如）用网覆盖;广泛分布;
vi. 沟通，互助;
net网+work 操作 → 网络
🗣️ 情景例句
And am I glad to see you!
我看见你才高兴呢！
Careful!
小心！
In his mouth were the remains of fir trees -- the last meal that he had before he fell into the crevasse and broke his back.
它嘴里还留着冷杉 -- 它掉进冰河裂隙折断脊椎柱之前的最后一顿饭。