translation.en: What this tells you is this is the concentration of these two materials at the time the solar system was formed, so we learned things about which materials were there when the planet was made.
translation.zh: 而这也说明了这就是当太阳系刚形成时 这两种物质的浓度， 因此我们知道了当行星形成时 存在着哪些物质。