But still, here in the year 2011, there's a drug that you can give to mice at a pretty old age that will extend their lifespan, which comes out of this science that's been done in all these different animals.
但这还是2011年 就是这种药，你能把它给非常老的老鼠 它会延长它们的寿命 这科学试验 已经试用于所有这些不同动物身上