space-time point

例句：

1. 1.The space-time point at which the event occurred is crucial for understanding its impact.
   事件发生的时空点对于理解其影响至关重要。
2. 2. The scientist made a significant discovery at the space-time point where the two stars met.
   科学家在两颗恒星相遇的时空点做出了重大发现。
3. 3. The research team used advanced technology to map out the space-time points in the galaxy.
   研究团队使用先进技术绘制了星系中的时空点。