Ccsa
[计] 公用控制交换网
🗣️ 情景例句
Do I know Pete Waters?
我可认识Pete Waters？
When Emily came home at three in the morning, her father hit the ceiling.
哎米莉在凌晨2点钟回家时，她父亲大发雷霆。
What's on your mind?
你在想什么呢？