Outfire
灭火
🗣️ 情景例句
Thanks a lot for having us.
真感谢你邀请我们来。
I'm ready.
我准备好了。
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