Fgetchar
从文件中读一个字符
🗣️ 情景例句
Philip was a young doctor,
Philip当时是个年轻的大夫
Right.
对的。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子