Setbuf
设置缓冲
🗣️ 情景例句
But what can I do?
但我能帮什么忙？
One of my suitcases is small,and the other one is medium size.
我的一个提包是小的，另一个是中等的尺寸。
The woman immediately behind the two cars happened to be a learner.
紧跟其后的一辆车上的司机碰巧是个初学者，