Quetta
基达[巴基斯坦西部城市]
🗣️ 情景例句
I'm glad to help.
我很乐意帮忙。
Why are you laughing at me?
你为什么嘲笑我？
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