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Space-time
01
时空, 时空理论
the theory that adds the notion of time to that of a three-dimensional space
Example
According to Einstein 's theory of general relativity, gravity is not just a force between masses but the curvature of space-time caused by those masses.
The concept of space-time unifies the three dimensions of space with the fourth dimension of time into a single four-dimensional continuum.
Black holes are regions of space-time where gravity is so intense that not even light can escape.
