Packet-switching
包交换
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
No, no, I'm just a little upset.
没有，没有受伤，只是情绪有点不稳。
Bill was very jumpy as he waited for the phone to ring.
贝尔忐忑不安地等着电话来。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。