Packet switching service
[计] 包交换服务
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
service
['sɝvɪs]
n. 服务，服侍;服务业;维修服务;服役;
vt. 检修，维修;向…提供服务;保养;满足需要;
adj. 服务性的;耐用的;服现役的;
serv服务+ice表名词，行为，状态 →服务
🗣️ 情景例句
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
I won't embarrass myself by calling Mr. Lee by another's name.
我不想因为张冠李戴使自己难堪。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？