black hole

黑洞

例句与用法：

"What is it like down there?" shouted Marvin from the upper cave. "Like the Black Hole of Calcutta, but a lot wetter, " came the reply.

"下面怎么样？"马文在洞穴上方喊道。"像加尔各答城的小地牢，又闷又热，不过要潮湿得多。"下面回答道。

详细释义：

ph.

1. 黑洞

2. 军营中的牢房