translation.en: So these functions were known for these hormones for a long time, but our studies suggested that maybe they had a third function that nobody knew about -- maybe they also affect aging.
translation.zh: 这些激素的功能是我们长久以来就知道的 但是我们的研究似乎暗示 有可能有第三种我们未知的功能-- 或许也能影响衰老