event horizon

例句：

1. 1. The event horizon is the point at which a black hole's gravity becomes so strong that nothing can escape from it.
   事件视界是黑洞的引力变得如此强大以至于无法逃离它的点。
2. 2.In astrophysics, the event horizon is the boundary between the region of spacetime where matter and energy are confined by gravity and the region beyond which they are unbound.
   在天体物理学中，事件视界是物质和能量被重力约束的区域与它们不受约束的区域之间的边界。
3. 3. The event horizon of a black hole is determined by its mass and spin, and it is a crucial concept inunderstanding the behavior of gravitational waves.
   黑洞的事件视界由其质量和自转决定，它是理解引力波行为的关键概念。