Because the black hole trap door deforms space so much, not even light can escape it.

由于黑洞将空间过分的变形，所以连光也逃不出他的影响。

Such an object, which aims to trap sound the way cosmological black holes trap light, can be built by welding steel beams that taper to a thin point to the inside of the ship's hull.

这样一个物体旨在像宇宙学黑洞捕获光线一样捕获声音，可以通过焊接钢梁来建造， 这些钢梁逐渐变细， 直到船体内部的一个细点。