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
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
He that serves God for money will serve the devil for better wages.
求财而供神者必倍求而敬鬼。
He's not in trouble, I hope!
我希望他没有遇到麻烦！