Esdan
abbr. electronic space division analog network 电子空分模拟网络
🗣️ 情景例句
Oh, let me help you with this.
来， 我帮你放好。
It won't take much time.
不会花很多时间的。
Tickets, please. May I see your ticket please, madam?
请出示车票。夫人，请问我可以看看你的车票吗？