Setbuf
设置缓冲
🗣️ 情景例句
Can you point me to the video cameras?
你能给告诉我卖摄像机的在哪儿吗？
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
I am afraid that l have to go.
我要走了。