| 单词 | event horizon |
| 释义 | event horizon event horizon n.（名词）The region, usually described as spherical, marking the outer boundary of a black hole, inside which the gravitational force is strong enough to prevent matter or radiation from escaping.地平线现象：通常被形容为球面的区域，为黑洞外表分界线的标记，在该标记之内其重力大到足以让所有的物体或是光线无法逃离 |
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