The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.
发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。
The value of a network is proportional to the square of the number of connected users of the system.
"The world is tough, but you’re tougher."
Death is the highest possibility of Being.
The city is a living thing, always changing, always the same.
人类不仅是一种地质因素,而且可能是所有地质力量中最强大和最普遍的。