It's only a slow leak but I think we need to fix it quickly.

这个泄漏很缓慢，但我认为我们需要快速解决它。

Wow, this thing's really flat. Usually with a nail, you get a slow leak.

轮胎彻底瘪了。通常一颗钉子就能将轮胎的气不知不觉地放完。

I know, it's weird — relativity is like that — but think of it as a slow leak in the orbits, very gradually dropping the neutron stars together.

我知道，这很奇怪——相对论就是这样的——但让我们把它看作是轨道上的一种缓释，慢慢地使中子星落在了一起。