black hole
US /ˈblæk hoʊl/
UK /ˈblæk hoʊl/
1.
黑洞
a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it
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Scientists are studying the supermassive black hole at the center of our galaxy.
科学家们正在研究我们银河系中心的超大质量黑洞。
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The event horizon is the boundary of a black hole.
事件视界是黑洞的边界。
2.
黑洞, 无底洞
a place or situation in which people, money, or things disappear or are lost without trace
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The department's budget became a black hole, with funds constantly disappearing.
该部门的预算变成了一个黑洞，资金不断消失。
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Sending money to that project is like throwing it into a black hole.
把钱投到那个项目里就像扔进一个黑洞。