Fastnet
abbr. fully automated switched telecommunications network 全自动化交换通信网（络）
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
The doctor advised me to get plenty of exercise.
医生建议我多锻练。
Hi, Lucy! Are you free tomorrow night?
你好，露茜！明天晚上你有空吗？