Setbuf
设置缓冲
🗣️ 情景例句
Robbie! Good luck!
Robbie！祝你好运！
I'd like to explain what makes this factory special.
我要向你说明本工厂的特性。
I'm OK. Sam, what are you going to do tomorrow?
我也很好。山姆，你打算明天做什么？