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
Don't worry about being late. It's fine.
别为迟到担心了 没有关系。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
With a stopwatch, they counted how many times the bees repeated the dance during one minute.
他们用秒表记录蜜蜂在一分钟内重复舞蹈的次数。