Solving
v. 解决
🗣️ 情景例句
There is, Dad.
有， 爸爸。
I'm fine, and you?
我还好，你呢？
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