Nccf
网络通信控制机制
🗣️ 情景例句
Ah. She's out.
啊。她出去了。
If I want to be healthy,I have to stop smoking cigarettes.
如果我想要健康,我必须停止吸烟。
They teach us Chinese and we teach them English. Please write soon!
他们教我们汉语，我们教他们英语。请赶快回信。