黑洞的强大引力使得任何靠近它的物体都无法逃脱。

The intense gravity of a ___black hole prevents anything near it from escaping.

这个政府项目就像一个黑洞，吞掉了纳税人的大量资金。

The government project turned into a ___black-hole, swallowing huge amounts of taxpayers' money.