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black hole

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  • n.黑洞(宇宙中包括光线在内的任何东西都无法逃逸的强引力区域)
  • Web黑洞理论;感情黑洞;牢房
Plural Form:black holes  
black hole
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n.
1.
黑洞(宇宙中包括光线在内的任何东西都无法逃逸的强引力区域)an area in space that nothing, not even light, can escape from, because gravity(= the force that pulls objects in space towards each other) is so strong there
The company viewed the venture as a financial black hole(= it would use a lot of the company's money with no real result) .
公司认为该项投资是财政上的一个黑洞。

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