Ccsa
[计] 公用控制交换网
🗣️ 情景例句
Robbie, there's a phone call for you.
Robbie，有你的电话。
The weather is warm and sunny here.Do you get much rain?
这里的天气是温暖并且阳光充足的.你那有许多雨吗？
Well, which would you prefer?
那么，你觉得那个时间更好些呢？