Initial mass spectroscopy suggested proteins were involved, but shed no light on which.

最初的质谱分析表明涉及蛋白质，但并没有阐明具体是哪种。

A primordial black hole with an initial mass of a thousand million tons would have a lifetime roughly equal to the age of the universe.

一个初始质量为 1000 亿吨的原始黑洞的寿命大致等于宇宙的年龄。