Digital switching
[计] 数字交换
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
Could you explain how to fill this out?
请你说明一下怎样填这张表好吗？
It involves a lot of hard work.
那需要很多的辛勤工作。