These calculations also help scientists determine the mass of black holes, which lie at the center of nearly all galaxies.
这些计算也可以帮助科学家们确定几乎所有星系中心的黑洞质量。
The images show that the explosion took place 3.8 billion light-years from Earth, at the center of a galaxy where a supermassive black hole would lie.
图像显示该爆炸地点距离地球38亿光年，位于一个星系的中心，那里可能存在一个特大黑洞。
TWO Hollywood mysteries lie at the heart of "the Black Dahlia" by Brian De Palma.
布赖恩•迪帕尔马(BrianDe Palma)导演的《黑色大丽花》阐述了好莱坞的两大谜题。
In Martin Luther King's dream, not only was the lion going to lie down with the lamb, but white was going to be brother to black.
在马丁·路德·金的梦想中，不仅人与人之间和平共处，而且白人也要成为黑人的兄弟。
A long time ago, a man told a lie. He said: "I climbed that mountain to fight with the dragon, then I almost killed him, but I missed. And he was huge and black."
很久以前，一个人撒了谎，他说：我曾经爬上过那座山去和那个龙斗争，后来我差点杀了它，但是我失手了，它很巨大很黑。
A long time ago, a man told a lie. He said: "I climbed that mountain to fight with the dragon, then I almost killed him, but I missed. And he was huge and black."
很久以前，一个人撒了谎，他说：我曾经爬上过那座山去和那个龙斗争，后来我差点杀了它，但是我失手了，它很巨大很黑。
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